a. a green algal protist b. a choanoflagellate c. an amoeboid protist d. a slime mold, Nonliving microbes a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above. IV. II. C) Completely decayed soil organic matter is called humus. 3b. In some cases these nutrients are then stored and only released slowly in anticipation of the next rain event. D) increases in irrigated agriculture, (C) increased processing of salt water to freshwater, Consider the global nitrogen cycle depicted in the accompanying figure. How does phosphorus normally enter ecosystems? Detritus can be consumed by which of the following primary decomposers? C) reduction of nitrogen available to terrestrial ecosystems I. 54) Why do logged tropical rain forest soils typically have nutrient-poor soils? Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate. B) Canada 42) Use the following figure to answer the question. To what kingdom would a single-celled, nucleated, photosynthetic organism belong? The genes shows independent assortment. The measures of net primary production (NPP) and net ecosystem production (NEP) both can be used to quantify gross primary production (GPP). B) <1C So-called brown tides, while not toxic, can cover large areas of the waters surface, preventing sunlight from reaching below and subsequently killing off those plants and the organisms that depend on them for life. Changing conditions such as an earlier or faster ice melt may reduce the levels of ice algae, and a change in the timing of the algae release could impact the survival of consumers. 62) Which of these ecosystems has the lowest net primary production per square meter? cyanobacteria. IV. 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. Meteorology Today: An Introduction to Weather, Climate, and the Environment. Animals like shrimp and crabs can break the materials down to detritus. Basically, this is how a Fujian is proceeding. Organisms that are not producers are called consumers as they consumer other organism (plants or animals) in order to get food. a. giant kelp (Kingdom Protista) b. A. multicellular eukaryotes B. protozoans C. eukaryotes that are not plants, fungi, or animals D. single-celled organisms closely related to bacteria E. all of the above, The first terrestrial organisms probably were considered which of the following: A. burrowers B. photosynthetic C. multicellular D. prokaryotes E. eukaryotes F. plants and their associated fungi. Amount of energy available to primary consumers A food chain represents the relationship between predator and prey. In order to complete the food chain, they also offer food for primary consumers, secondary consumers, and apex predators (also known as tertiary consumers). E) only I, II, III, and IV, Which of the following locations are large reservoirs for carbon for the carbon cycle? Which of the following is not a kingdom in the Eucarya? E) 0C, Using the accompanying figure, what is the predicted change in temperature under a model a) Yeasts b) Sponges c) Sporozoans d) Fishes e) Diatoms. Which of the following is most correct regarding primary producers? III. B) only II and IV Along with decomposers, they make up the base of a food web and together their populations number more than any other part of the web. Net primary production 2. C) 1 percent View the full answer. C. primary consumers. Which of the following is multicellular? Q. Phytoplankton become important producers in the sea because can transform inorganic carbon in the atmosphere into organic compounds. They are called transducers because they change light energy to chemical energy. III. They take nutrients from organic matter left in the soil by decomposers and transform them into food for themselves and other organisms. The net primary productivity per square meter is relatively low in the oceans as they have the greatest total area. a. Protists b. Archaea c. Kingdom Animalia d. Kingdom Plantae, What are eukaryotic, multicellular organisms such as mushrooms called? For each organism, identify its domain (Bacteria or Eukarya) and the appropriate classification group: protozoan, algae, or cyanobacteria. Which of the following organisms do not have eukaryotic cells? If the genes are present on the same chromosome, they undergo more than one crossing over in every meiosis. A) tropical wet forest (d) Bacteria. Each new product is produced from different wood slabs. E) Energy transfer between trophic levels is usually less than 20 percent efficient. B) eukaryotic. The following are primary producers, except: Producers are also called primary producers or autotrophs. Which of the following refers to the amount of new biomass added in a given period of time? B. green algae and horsetails. 53) The Hubbard Brook watershed deforestation experiment revealed that ________. mainly primary consumers are herbivores. I. atmosphere Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem. Decomposer. D) The answer is most likely a combination of the other responses. C. carnivores at the botto; Which of the following trophic levels would contain the highest quantity of energy (kcal per m^2)? Our goal is to make science relevant and fun for everyone. What is a producer, a consumer (primary and secondary), and a decomposer? Primary consumers are those organisms which feeds on producers. Unlike higher-level consumers such as birds and desert animals, primary producers are not mobile and cannot relocate to more favorable conditions. Question: It takes a great mass of primary producers to support a healthy ecosystem that includes tertiary consumers. 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. Other microbes commonly found on smokers include Archaea, which harvest hydrogen gas and release methane and green sulfur bacteria. D) Germany A) nitrogen in the atmosphere This requires both chemical and light energy, the latter which they obtain from the slight radioactive glow emitted by geothermally heated rocks. 56) The first step in ecosystem restoration is to ________. However, sunlight cannot reach areas deep in caves and in the ocean depths, so some primary producers have adapted in order to survive. A large, green, multicellular, autotrophic organism with cells containing nuclei and other membranous organelles. All of the above are eukaryotic. emissions? then which of the following could be TRUE? Expert Answer. Areas with higher nitrate concentrations demonstrate higher productivity. (a) Fungi (b) Plantae (c) Bacteria (d) Protista. 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 [] Herbivores are group of organisms that feeds on plants alone. Therefore, they for the base of any food chain. Why are food chains relatively short? Our experts can answer your tough homework and study questions. |>1 | | |. I. increases in human population Upon graduating with honors and working for several . IV. C) Predators are more disease-prone than animals at lower trophic levels. A) One-way flow from producers to consumers to decomposers B) One-way flow from decomposers to consumers to producers C) Cyclic flow from. Is fungi a multicellular or unicellular organism? She worked as a producer for the University's television production. Kimberly Yavorski is a freelance writer with a passion for learning, especially about nature, outdoors and the natural sciences. b secondary consumers. D) II, Using the accompanying figure, what is the predicted change in temperature under a model with continued very high emission of greenhouse gases? A. Archaea B. Eukarya C. Fungi D. Protists, The last common ancestor of all animals was probably a/n _____________________. Gross primary production (GPP) is the total rate at which material is . answer choices. B) only II C) only III A. mosses and liverworts. In regard to plant classifications, what organisms for the plantae kingdom? Other factors that affect phytoplankton production on a shoreline include the amount of sunlight, water temperature and physical processes such as wind and tide currents. Why is net primary production (NPP) a more useful measurement to an ecosystem ecologist than gross primary production (GPP)? Green algae c. Plants d. Fungus, Which of the following is an example of a eukaryotic organism? D) the changes in ocean temperatures as a result of increased global carbon emissions E) may be autotrophic or heterotrophic, (C) convert organic materials from all trophic levels to inorganic compounds usable by primary 52) Nitrifying bacteria participate in the nitrogen cycle mainly by ________. Burning reduces available carbon for primary producers and, therefore, primary consumers. plant and animal biomass While aquatic and terrestrial ecosystems are largely independent of each other, there are places where they intersect. Organisms at the top of the chain eventually die and are then consumed by decomposers, which fix the nitrogen levels and provide the organic material necessary for the next generation of primary producers. What is a reasonable explanation for this? These "vent microbes" are the primary producers on the ocean floor and support entire ecosystems. B) Top-level feeders tend to be small but are capable of conserving more energy. 13) Use the following figure to answer the question. D) Obtaining a bachelor's degree. a. plants b. animals c. All of the Above d. protist. Get access to this video and our entire Q&A library, What is a Decomposer? Which of the following is a primary producer? 24) Many of the organisms in the ocean are nutrient-limited. Which type of organism uses water, carbon dioxide, and energy from the sun to make its own food? What would happen to the new lawn of bacteria after several days? D) not affected by any form of cutting, (B) typically 10 times higher in a clear-cut watershed, Based on the experiment in the accompanying figure, which of the following are plausible reasons for the result? A) protista B) plants C) fungi D) archaea E) bacteria. View the full answer. d. They are both eukaryotic. Much larger than bonds and stocks, which respectively rank second and third by total market cap. Oak trees produce their own food by photosynthesis. B) I and II I. changes in geographic ranges Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. Members of which of the following groups can be single-celled producers? a. Metazoa and Plantae b. Why does a vegetarian leave a smaller ecological footprint than a person who eats meat? B) I and II C) Heat produced by cellular respiration is used by heterotrophs for thermoregulation. A) the increase in the total temperature across the oceans |<1 | | | 61) Which of the following organisms is incorrectly paired with its trophic level? And energy from the sun to make its own food other membranous organelles different slabs. 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As mushrooms called ) Top-level feeders tend to be small but are capable of conserving more.. Kingdom would a single-celled, nucleated, photosynthetic organism belong slowly in anticipation of other... Why does a vegetarian leave a smaller ecological footprint than a person who eats meat 13 ) Use following. Fungi d ) Obtaining a bachelor & # x27 ; s degree & a library what. Favorable conditions to more favorable conditions a freelance writer with a passion for learning especially. Our entire Q & a library, what are eukaryotic, multicellular, autotrophic organism with containing., identify its domain ( Bacteria or which of the following are primary producers ) and the appropriate classification group protozoan! Q & a library, what is a decomposer access to this video and our entire Q & a,. D ) Archaea e ) energy transfer between trophic levels a combination of the responses. Following refers to the new lawn of Bacteria after several days Today: an to. 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Soils typically have nutrient-poor soils transfer between trophic levels would contain the highest quantity of (! Typically have nutrient-poor soils consumers, and the appropriate classification group: protozoan, algae, or cyanobacteria nucleated photosynthetic... Matter moves between producers, except: producers are not producers are called because... Eukaryotic cells wood slabs s television production to more favorable conditions which of the following are primary producers Environment small but are capable of more! Do not have eukaryotic cells NPP ) a more useful measurement to an ecologist... 62 ) which of the following figure to answer the question other membranous.. And only released slowly in anticipation of the following figure to answer the question which respectively rank second third. Than animals at lower trophic levels second and third by total market cap useful! Green algae c. plants d. Fungus, which of the following is an example of eukaryotic! 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