Primary producers are vital to the survival of an ecosystem. They are both autotrophic. They form the basis of the food chain by creating food through photosynthesis or chemosynthesis. 62) Which of these ecosystems has the lowest net primary production per square meter? Animals, fungi, most protists, and bacteria are: a. autotrophs b. producers c. heterotrophs d. multicellular, Which of the following is not a kingdom? As would be expected given these factors, phytoplankton bloom can be a seasonal occurrence, with higher levels recorded when environmental conditions are more advantageous. It may produce toxins that can poison any living thing that comes in contact with it, or it may contaminate aquatic life and cause illness when a person or animal eats the infected organism. Which of the following are often the first macroscopic organisms to colonize an area during primary or secondary succession? Red-tailed Hawks prey on mice and prairie kingsnakes . What is the limiting portion of the cycle for plants? B) oceans Its estimated between 50-85% of the world's oxygen is produced by phytoplankton. A 0.4230g0.4230\mathrm{~g}0.4230g sample of impure sodium nitrate (contains sodium nitrate plus inert ingredients) was heated. B) typically 10 times higher in a clear-cut watershed About half of all photosynthesis happens in the oceans. Which one of the following actions would increase the net primary productivity of the area the most? B. green algae and horsetails. The place an organism attains in a food web is called its trophic level. Important biogeochemical cycles in ecosystems include all of the following except the ________ cycle. *A Private Investor is a recipient of the information who meets all of the conditions set out below, the recipient: Obtains access to the information in a personal capacity; D) Zygomycota. a. giant kelp (Kingdom Protista) b. A) the changes in precipitation patterns that result from global warming C) symbiotic. (a) heterotrophs (b) autotrophs (c) chemoautotrophs (d) primary producers. a. Producers of the telecast said Thursday that the music superstar will sing "Lift Me Up" from "Black Panther: Wakanda Forever." "Lift Me Up," with music by Tems, Rihanna, Ryan Coogler [] 60) Acid precipitation lowered the pH of soil in a terrestrial ecosystem that supported a diverse community of plants and animals. contains the smallest percentage of global water? This requires both chemical and light energy, the latter which they obtain from the slight radioactive glow emitted by geothermally heated rocks. Phytoplankton become important producers in the sea because can transform inorganic carbon in the atmosphere into organic compounds. These visible colonies of cyanobacteria or microalgae may be present in a variety of colors such as red, blue, green, brown, yellow or orange. A) 0.01 percent Primary producers in a terrestrial ecosystem live in and around organic matter. D) Seal populations are larger than fish populations. A sample of wood contains $12.5 \%$ of its original carbon-14. The second trophic level consists of primary consumers the herbivores, or animals that eat plants. The oak tree is a primary producer. What percentage of visible light striking a plant is converted into chemical energy? Transcribed image text: 1st attempt Which of the following represent prokaryotic primary producers? This changing pattern of sea ice growth and melt, along with a sufficient nutrient supply, appears to be necessary to the production of ice algae. All of the above are eukaryotic. C) polar ice caps C) I, II, and III B) The total biomass of the fish is lower than that of the seals. He currently serves as the managing editor of HousingWire, the leading publication of housing and real estate news in . A. Archaea B. Eukarya C. Fungi D. Protists, The last common ancestor of all animals was probably a/n _____________________. Week Topic/TEKS Agenda 3 . D) 3C Which of the following is multicellular? a. Chlorarachniophytes and chromalveolates b. Diatoms and dinoflagellates c. Euglena d. Green, red, and brown algae. Are algae part of this kingdom? They are both heterotrophic. Sunlight cannot reach deep on the ocean floor, yet primary producers still thrive there. A freshwater pond has a specific ecosystem relevant to the pond setting, and is composed of various plants, aquatic animals and even bacteria. Consumer. Primary producers support the primary consumers in an ecosystem. C) secondary productivity When these micro-organisms multiply too quickly, creating a dense mat on the water's surface, the resulting overpopulation can cause hypoxia or low levels of oxygen in the water, which disrupts the ecosystem. C) I, II, and III irrigation agriculture The genes may be on different chromosomes. D) wetlands, Which category in the figure makes available the highest productivity per square meter? Which one of the following is a defining characteristic of animals but not of plants? E) Top-level predators are more likely to be stricken with parasites. Fungi c. Plantae d. a or b e. a or c, Which type of organism does not photosynthesize? A. an increase in primary producers in the ecosystem B. an increase in primary consumers in an ecosystem C. an increase in secondary consumers in an ecosystem D. an increase in detritivores in an ecosystem. A) rate of decomposition of detritus A) increased solar radiation These blooms may be caused by an increase of nutrients in the water or changes in sea currents or temperature. Herbivores are group of organisms that feeds on plants alone. (D) net primary productivity and the amount of energy available to consumers, Approximately what percentage of the energy from sunlight is converted into gross primary. mainly primary consumers are herbivores. Interpreting Diagrams Which diagrams represent a single element? In my new hybrid role, I am the sole producer of volleyball home events, in addition to co-producing both men's and women's basketball games. C) typically 10 times higher in an uncut watershed B) Soil organic matter is completely decayed. D. Eukaryotic, multicellular organisms such a. A) A Which one of the following actions would increase the net primary productivity of the area the most? B) only II and IV There, phytoplankton take carbon dioxide and water from their surroundings, and they can use energy from the sun to create carbohydrates through the process known as photosynthesis. Nutrients are attached to small particles of sand or clay that leave the watershed. E) cyanobacteria. B) Productivity increases with water availability. To which group of the periodic table does oxygen belong? Other factors such as the amount of sand or clay in soil, the salinity level and the presence of rocks or stones impact water retention and also influence the ability of primary producers to multiply. How does this occur? D) fungi. Deliver a strong employment brand message, and ensure effective relationships with both candidates and hiring managers. a) multicellular b) photosynthetic c) eukaryotic d) prokaryotic, Which of the following is not a major kingdom of life? Phytoplankton are affected by environmental factors such as temperature and sunlight as well as the availability of nutrients and the presence of herbivorous predators. Expert Answer. Why does a vegetarian leave a smaller ecological footprint than a person who eats meat? c. A mouse $Hox$ gene can be used to take over the function of a mutated $Drosophila$ $Hox$ gene.\ 65) Which of the following has the greatest effect on the rate of chemical cycling in an ecosystem? Producers and Consumers: Producers are also called primary producers or autotrophs. Regarding soil and organic matter in humus, which of the following statements is TRUE? B) introduction of nonnative tertiary consumer fish 1.5K Likes, 36 Comments. (A) Energy is lost because most of the total energy consumed is used for cellular respiration rather than growth and reproduction. B) nitrogen fixing bacteria c. Autotrophic. Choose one or more: A. moss B. viruses C. seaweed D. protists E. lithoautotrophs F. fungi G. cyanobacteria 15 OF 19 QUESTIONS COMPLETED. B) <1C D) both primary and secondary productivity, After looking at the experiment in the accompanying figure, what can be said about nutrient (C) ones that use nitrogen-containing compounds as an electron acceptor. B) nitrogen lost to the atmosphere Primary producers reproduce rapidly. 1) If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. What are the classifications of Archaebacteria, Eubacteria, Protista, Fungi, Plants, and Animals called? C) Basidiomycota. C) C This tends to coincide with the movement of the algae into the ocean as the bottom ice level melts. Transcribed image text: 57. C) ones that use nitrogen-containing compounds as an electron acceptor. D. decomposers. About how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk? D) D C) 4C e. Predators, How would the following organism be classified? E) iron dust blowing into the lake, Considering the global carbon cycle, which of the following is the largest reservoir of carbon? A) A 30 seconds. Kimberly Yavorski is a freelance writer with a passion for learning, especially about nature, outdoors and the natural sciences. A) Productivity increases with temperature. 5) Use the following figure to answer the question. Primary producers support the primary consumers in an ecosystem. Producers are the foundation of every food web in every ecosystemthey occupy what is called the first tropic level of the food web. 30. Which of the following is a primary producer? heterotrophs. 11) Which of the following has the greatest effect on the rate of chemical cycling within an. B) archaea. A. Oak tree Plants are the primary producer in an ecosystem as they produce biomass with the help of photosynthesis from inorganic compounds. This is necessary to sustain life as the species' populations get smaller as you go further up the food chain. Group of answer choices. In other words, all animals are dependent, either directly or indirectly on the food materials stored in plants. 61) Which of the following organisms is incorrectly paired with its trophic level? D) ocean neritic zone. a) plants b) animals c) protists d) All of the above, Which of the following is a kingdom classification? Members of which of the following are the major primary producers in the marine ecosystem? There is a maximum of three to four trophic levels in a food chain. A) 7C Arditi Design is one of the exclusive designers and producers of luxury handmade furniture based in Florida, USA. Much larger than bonds and stocks, which respectively rank second and third by total market cap. The four levels in this food chain are primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators. A) I only Would you characterize Euglena as algae, protozoan, or fungus like protists? (a) Archaea (b) Plantae (c) Fungi (d) Protista (e) Animalia. Animalia 2. B) at each step, energy is lost from the system D) only II, III, and IV \\ c. Protista. Unicellular autotrophs may be found in the kingdom _______. A) pesticide use d. Eukaryotic. E) plants. Eukaryotic, multicellular organisms such as mushrooms a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, Which of the following groups had the first multicellular members in the history of the Earth? James Kleimann is an award-winning - and losing! After looking at the accompanying figure, what can be said about productivity in this ecosystem? D) Only a small portion of the energy captured by producers is transferred to consumers. B. Prokaryotes such as E. coli. converting all the sodium nitrate to 0.2339g0.2339 \mathrm{~g}0.2339g of sodium nitrite and oxygen gas. Fungi c. Plantae d. Animalia e. a or c. The following are all phyla from the Kingdom Fungi EXCEPT: A) Ascomycota. Chemoautotrophic prokaryotes near deep-sea vents are primary producers. E) I, II, and III, Why are changes in the global carbon cycle important? The primary reason for this pattern is that ________. B) Passing examination with 75% or higher score. a. Bicoid moved from one fly embryo into the posterior of another fly embryo causes the formation of two head regions.\ producers. D) the increase in the average temperature across the continents For example, if 1,000 kilocalories of energy are present at the primary producer level, one-tenth of this energy (about 100 kilocalories) is passed to the primary consumers in the next level. (A) Top-level predators are destined to have small populations that are sparsely distributed. c. They are both prokaryotic. . Which kingdom of eukarya consists primarily of unicellular organisms? Which of the following do plants and animals have in common? 66) The Hubbard Brook watershed deforestation experiment yielded all of the following results except which of the following? In a food chain, there are no secondary producers. D) Obtaining a bachelor's degree. a) Yeasts b) Sponges c) Sporozoans d) Fishes e) Diatoms. A) protista B) plants C) fungi D) archaea E) bacteria. 29) Which of the following ecosystems would likely have the largest net primary productivity per hectare and why? land use changes Animals like shrimp and crabs can break the materials down to detritus. Upon graduating with honors and working for several . Which of the following statements regarding this flow of energy is true? Some may discolor the water, have a foul odor or make the water or fish taste bad, but not be toxic. Therefore, the color, textures, and curves of wood used in the product can be changed. Which of the following kingdoms contain members that are autotrophs? E) It is recycled by decomposers to smaller and smaller forms until it finally breaks down to form soil. Classification. 900 seconds. a) Domain Eukarya b) Domain Bacteria c) Domain Archaea d) Kingdom Fungi e) Kingdom Protista, Determine which of the following groups of organisms is being described by the following statement: Flagellates that can be either photosynthetic or heterotrophic/mixotrophic. Which of the following statements is most correct regarding the terminology used in trophic cycles? E) 0C, Using the accompanying figure, what is the predicted change in temperature under a model a. plants b. animals c. All of the Above d. protist. C) only I, II, and IV E) E, Which letter represents an organism that could only be a primary consumer? 53) The Hubbard Brook watershed deforestation experiment revealed that ________. a. Metazoa and Plantae b. III. What is the reason for this seeming contradiction? 41) If the flow of energy in an arctic ecosystem goes through a simple food chain, perhaps involving humans, starting from phytoplankton to zooplankton to fish to seals to polar bears, then which of the following could be accurate? Measurements of phytoplankton production have been found to be higher near shorelines in areas where nutrients from the land essentially fertilize the ocean with nitrogen and phosphorous. E) nitrate and ammonium ions in the soil, (E) nitrate and ammonium ions in the soil, In the nitrogen cycle, the bacteria that replenish the atmosphere with nitrogen are ________. Complete this table relating the values of $E\degree_{cell}$ and $\Delta G\degree$ to K. Chemosynthesis is one alternative to photosynthesis that primary producers have. |>1 | | |. Though when they are dry, they appear to be dead, they are in fact in a dormant state and transform with the next rainfall. Which of the following is a producer? Plantae B.) Unlike higher-level consumers such as birds and desert animals, primary producers are not mobile and cannot relocate to more favorable conditions. (c) Fungi. 14) Use the following figure to answer the question. E) nitrogen-fixing bacteria. List, in order, the steps of the scientific method. D) glaciers 2. The euphotic zone in the open ocean extends from the . A) the increase in the total temperature across the oceans E) permanent burial of nitrogen in coastal environments through runoff, Which of the following is a source of human-fixed nitrogen? A. Eukarya B. Bacteria C. Archaea D. Plants and animals are in different domains E. Protista, (Choose all that apply) Fungi are A) Eukaryotes B) Prokaryotes C) Multicellular organisms D) Photosynthetic. (E) Fish can potentially provide more food for humans than seal meat. The accompanying figure represents net primary productivity organized by ________. What is the estimated age of this sample? I. C) fossilized plant and animal remains (coal, oil, and natural gas) E) only I and II, Nitrogen is available to plants mostly in the form of ________. C) Completely decayed soil organic matter is called humus. c. carnivores at t; Match each of the following organisms with their 'status'. Harmful algal blooms have been reported in all coastal states in the United States as well as in freshwater in more than half the states. B. primary producers. The former crew members also claim they suffered anxiety and symptoms of post . Many of these lithotropic bacteria create mats around the vent that measure up to 3 centimeters thick and attract primary consumers (grazers such as snails and scaleworms), which in turn attract larger predators. A) It is undigested and winds up in the feces and is not passed on to higher trophic levels. Producers ( that synthesize their own food through photosynthesis) occupy the first trophic level in a food chain and the amount of biomass can be depicted through pyramid of biomass, which contains primarily four trophic levels that are - Primary producers, Primary consumers, Secondary consumers, and Tertiary consumers. 48) Which of the following locations are major reservoirs for carbon in the carbon cycle? Which of the following provides the strongest evidence for the conservation of tool-kit genes? (A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. D) reduction of nitrogen fixation by bacteria Analysts at Deutsche Bank raised their target price on Associated British Foods from 2,180.0p to 2,300.0p on Tuesday, stating its Primark unit had driven "another upgrade". Which of the following is not a domain on Earth? Producers are organisms capable of creating simple carbohydrates such as glucose, from gaseous carbon dioxide. 54) Why do logged tropical rain forest soils typically have nutrient-poor soils? B) ecological niche (a) Bacteria (b) Archaea (c) Fungi (d) Helminths (e) Protozoa. 31) Which one of the following correctly ranks these organisms in order from lowest to highest percent in production efficiency? ; The amount of energy observed at a trophic level decreases when moving through an ecosystem. A) Top-level feeders tend to be more numerous than lower-trophic-level species. Which of the following is most correct regarding primary producers? C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level C) algal beds and reefs 10) Which of the following organisms is correctly paired with its trophic level? E) Australia, Which of the following have contributed to the increase in the emission of CO2? a. Protists b. Archaea c. Kingdom Animalia d. Kingdom Plantae, What are eukaryotic, multicellular organisms such as mushrooms called? B) Top-level feeders tend to be small but are capable of conserving more energy. Terms in this set (78) The process by which energy derived from solar radiation is used by certain organisms to form organic matter is called: photosynthesis. There are no secondary producers for top carnivores or G. composers. (D) The answer is most likely a combination of the other responses. They also occur in brackish waters. Which organisms form the kingdom Plantae? - editor and reporter. . D) global warming List the other elements in the group. III. The amount of energy lost as it passes from one trophic level to another is approximately, The amount of life that an ecosystem can support is determined primarily by the. (a) Protists (b) Animals (c) Plants (d) Fungi, Which of the following is NOT consumed by fungal decomposers? A) net primary productivity B) the amount of energy available to consumers C) maintenance costs D) net primary productivity and the amount of energy available to consumers E) maintenance costs and the amount of energy available to consumers, Approximately . For this reason, bacterial colonies in some limestone caves are chemoautotrophic, also known as rock eating. These bacteria, like those in the ocean depths, get their necessary nourishment from the nitrogen, sulfur or iron compounds found in or on the surface of rocks that have been carried there by water seeping through the porous surface. Gross primary production in aquatic ecosystems is most likely to be limited by decreases in which of the following nutrient pairs? ; For example, In terrestrial ecosystems, producers are the green plants, phototrophic bacteria, algae etc. With the exception of the ________, the following kingdoms are placed within the domain Eukarya. Which of the following is a kingdom and not also a domain? D) plant and animal biomass plants can easily make food from soil and water. E) only I, II, III, and IV, Which of the following locations are large reservoirs for carbon for the carbon cycle? Question: It takes a great mass of primary producers to support a healthy ecosystem that includes tertiary consumers. III. Which of the following organisms do not have eukaryotic cells? To recycle nutrients, an ecosystem must have, at a minimum. extinctions Consider the following organisms: Paramecium, Euglena, Spirogyra, Oscillatoria, Anabaena, and Stentor. A) only I and III Producer. Tall grass is consumed by grasshoppers that, in turn, are eaten by mice, and the mice are eaten by prairie kingsnakes. B) nitrite ions in the soil (C) Longer chains are less stable and energy transfer between trophic levels is inefficient. |--|--|--| A) Humus is composed of inorganic nutrients, and organic matter is composed only of organic matter. A) China Primary producers in those environments use chemosynthesis instead. use light energy to synthesize organic matter from inorganic matter. A normal woman, whose father was colour-blind is married to a normal man. B) Decomposers compete with higher-order consumers for nutrients and energy. Some examples would be deer, tortoise, and elephants. Which of the following is not a kingdom in the Eucarya? A) Rhizobium bacteria They eat plants. c decomposers. They use the process called chemosynthesis to convert carbon into organic matter using hydrogen, hydrogen sulfide or methane as an energy source. D) biomagnification of toxic materials limits the secondary consumers and top carnivores B) rock, sand, and ice 13) Use the following figure to answer the question. Show your work. Next rank the relative concentration of DDE in each plant/animal using the following scale: 1 = lowest concentration - 10 = highest concentration. Which of the following is most correct regarding primary producers? By using fossil fuels we are destroying a nonrenewable resource. A) tropical wet forest plus the ocean neritic zone Someone who actively or passively invests in real estate is called a real estate . Certain bacteria and fungi that are important in nutrient recycling because they release nutrients from dead organisms back into the ecosystem are. The following are primary producers, except: Producers are also called primary producers or autotrophs. Primary consumers Producers 1 See answer Advertisement Advertisement thor12336 thor12336 Answer: Primary consumers is the correct answer, i did the flvs test :) . Which of the following best describes the fate of the unconverted energy? A) Many primary and higher-order consumers are opportunistic feeders. As with all ecosystems, each element of a freshwater pond ecosystem is dependent on the other elements and organisms for survival. of anatomy and physiology? The community of detritivores, such as earthworms, millipedes, slugs, and pseudoscorpions, living in the leaf litter on the shady floor of a deciduous forest obtains its energy and nutrients primarily from. Which of the following consume other living organisms? B) sedimentary bedrock I believe the correct options to be E) Li . Some of the energy is reflected, and some is absorbed by the Earth's surface. In a food web nutrients are recycled in the end by decomposers. B) I and II Answer: Primary consumers. Approximately how many kilograms (kg) of carnivore (secondary consumer) biomass can be supported by a field plot containing 1000 kg of plant material? II. How does phosphorus normally enter ecosystems? fossilized plant and animal remains (coal, oil, and natural gas) b. Mutation of an unrelated gene in another species of fly has a similar effect to mutation of $bicoid$ in $Drosophila$.\ eukaryotic phytoplankton. Is a mushroom a decomposer? They can be thought of as the first and most important step in the food chain. Similarly to the ocean floor, sunlight does not reach deep into caves. A) photoautotrophs B) primary consumers C) decomposers D) chemoautotrophs E) top consumers. Which of the following most often controls the rate of nutrient cycling in ecosystems? B) rivers and lakes 18) 4 . \\ b. Euglena. Which of the following is primarily responsible for limiting the number of trophic levels in most ecosystems? A) Fungi B) Protista C) Mammals D) Plants, Which of the following are eukaryotic, multicellular organisms that make their own food? Labeling a carnivore as a heterotroph would be correct. B) Acrasiomycota. At the top level are secondary consumers the carnivores and omnivores who eat the primary consumers. A) only I and III In some cases these nutrients are then stored and only released slowly in anticipation of the next rain event. Energy transfer between trophic levels tends to be of very low efficiency. All other trademarks and copyrights are the property of their respective owners. Biology questions and answers. A) I (b) Plants. number of producers and their efficiency. E) The amount of biomass in the producer level of an ecosystem decreases if the producer turnover time increases. 28) How is net ecosystem production (NEP) typically estimated in ecosystems? most of the energy taken in by organisms does not continue to the next level of the food chain. a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi, Eukaryotes that are not members of the plant, animal and fungi kingdoms are called a) decomposers b) protists c) microbes d) prokaryotes. 6) Use the following figure to answer the question. The answer is Primary consumers and producers. Get access to this video and our entire Q&A library, What is a Decomposer? 50) Use the following figure to answer the question. A) nitrogen in the atmosphere a. Protista b. Plantae c. Bacteria d. All of the above are correct, Which of the following is a kingdom classification? E) I, II, III, and IV, Global warming refers to ________. When the sea ice melts, the ice algae are released into the water and add to the phytoplankton bloom, impacting the polar marine food web. She can be found at www.kimberlyyavorski.com. All members of the kingdom ________ are heterotrophic. A large, green, multicellular, autotrophic organism with cells containing nuclei and other membranous organelles. D) methanogenic protozoans Fungi are: a) eukaryotes and opisthokonts b) prokaryotes and opisthokonts c) flagellate and dikaryotic d) autotrophic eukaryotes e) heterotrophs with cellulose cell walls, Palm trees, ferns, and algae are examples of: A) decomposers B) top consumers C) photoautotrophs D) chemoautotrophs E) primary consumers, Of Fungi, Metazoa, and Plantae, which two are thought to be more closely related to each other than they are to the third? A Venus flytrap devouring an insect to obtain nitrogen functions as . Which Kingdom consists of organisms that are major decomposers of the living world? E) about 90 percent in most ecosystems, (B) the percentage of production transferred from one trophic level to the next, For most terrestrial ecosystems, pyramids composed of species abundances, biomass, and energy are similar in that they have a broad base and a narrow top.
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