D) Seal populations are larger than fish populations. A) 7C This non-linear set of interactions which shows the complex flow of energy in nature is more easily visualized in the following diagram. D) It is eliminated as feces or is dissipated into space as heat, consistent with the second law of thermodynamics. This fact is partially true considering their photosynthetic nature and low trophic level. answer choices. 40) Consider the food chain of grass grasshopper mouse snake hawk. D) plant and animal biomass 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. B. primary producers. C) the sum of the changes in local precipitation and temperature patterns that result from global warming In the nitrogen cycle, the organisms that convert nitrate to atmosphere N2 are. 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 . Animals like shrimp and crabs can break the materials down to detritus. D) D 52) Primary producers support the primary consumers in an ecosystem. Oak trees produce their own food by photosynthesis. Fungi (like mushrooms) are decomposers that decompose organic matter and consume that as their source of energy. List, in order, the steps of the scientific method. Which of the following locations is the main reservoir for nitrogen in the nitrogen cycle? All ecosystems are affected by wildfires equally. After a rain, algae and lichens become photosynthetically active and (due to their ability to reproduce rapidly) provide a food source for higher-level organisms before the desert heat causes the water to evaporate. E) trophic structure, What factor could potentially increase the length of a food chain? a) Protists b) Fungi c) Animals d) Bacteria e) Plants, Of the following, which describes protists most inclusively? 23) Suppose you are studying the nitrogen cycling between vegetation, sediments, and water in a pond ecosystem over the course of a month. A) 0.01 percent Select the correct answer. B) archaea. 1.5K Likes, 36 Comments. A) 7C They convert organic matter to inorganic, which is used by primary producers. 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. An arid desert ecosystem does not have a consistent water supply, so its primary producers, such as algae and lichen, spend some periods of time in an inactive state. These primary consumers are feed on grass, plants, shrubs and other plant . High-energy solar radiation enters the atmosphere. A) China What is the production efficiency of this owl? Some examples would be deer, tortoise, and elephants. B. Prokaryotes such as E. coli. Energy flows through the trophic levels of a food web. They also occur in brackish waters. All the organisms above are producers except for fungi. 2) Which of the following terms encompasses all of the others? 14) Use the following figure to answer the question. Members of which of the following groups can be single-celled producers? All fungi ______. Why is net primary production (NPP) a more useful measurement to an ecosystem ecologist than gross primary production (GPP)? Which of the following is an example of a primary producer? eukaryotic phytoplankton. Which of the following most often controls the rate of nutrient cycling in ecosystems? C) convert organic materials from all trophic levels to inorganic compounds usable by primary producers The primary reason for this pattern is that. Real estate makes up the largest asset class in the world. Organisms in all trophic levels above the primary producers are called. 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 ________. D) The answer is most likely a combination of the other responses. 26) Which of the following is an accurate statement regarding mineral nutrients in soils and their implication for primary productivity? 45) Use the following figure to answer the question. Lichens and mosses are the most common primary producers of the tundra. (A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. 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. They are both heterotrophic. 1. E) plants. (a) Fungi (b) Eukarya (c) Archaea (d) Protists. We design and produce handmade, high-end, luxury furniture made of the best-selected walnut and olive wood with the highest quality epoxy . plant and animal biomass About half of all photosynthesis happens in the oceans. 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. 61) Which of the following organisms is incorrectly paired with its trophic level? Nutrient export is ________. D) fungi. a. phosphorus. 19) Use the following figure to answer the question. 39) Which statement best describes what ultimately happens to the chemical energy that is consumed but not used to produce new biomass in the process of energy transfer between trophic levels in an ecosystem? Chemoautotrophic prokaryotes near deep-sea vents are primary producers. A) nitrogen in the atmosphere 17) Why is terrestrial productivity higher in equatorial climates? C. Oak tree. Primary producers are a basic part of an ecosystem. Though hydrogen sulfide is toxic to most animals, organisms living at these hydrothermal vents have adapted and instead thrive. C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level A.) She can be found at www.kimberlyyavorski.com. 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. They use the chemical energy found in the minerals of the hot spring to create hydrogen sulfide. Primary producers and herbivores are the only two types of producers. Plant roots that held soil particles in place are no longer there. A) The energy transfer between the primary producers and the primary consumers is higher in the marine ecosystem than the grassland B) The ecological efficiency between the primary consumers and secondary consumers is higher in the marine ecosystem than the grassland C) Both A & B are true. C) C While some Arctic mosses live under the snow, just above the permafrost, other Arctic plants live underwater. Which of these ecosystems has the highest net primary productivity per square meter annually? d. They are both eukaryotic. c decomposers. D) global warming Red-tailed Hawks prey on mice and prairie kingsnakes . Primary producers are consumed by primary consumers (generally herbivores), which are then consumed by secondary consumers and so on. These blooms may be caused by an increase of nutrients in the water or changes in sea currents or temperature. D) only II, III, and IV E) 0C, The shift in the peak of caterpillar season is most likely due to ________. Why the confusion? D. decomposers. 12) Matter may be gained by, or lost from, ecosystems. A) secondary consumers and top carnivores require less energy than producers plants can easily make food from soil and water. Which kingdom of eukarya consists primarily of unicellular organisms? B) conversion of grasslands and forests into agricultural fields D) nucleic acids from decomposing plants and animals tertiary consumers are endotherms primary producers are A) tropical wet forest These "vent microbes" are the primary producers on the ocean floor and support entire ecosystems. Option (c): Secondary consumers are carnivores which feed on the primary consumers. a. bacteria b. archaea c. protists d. fungi e. plants f. animals. Q. A) the increase in the total temperature across the oceans A) Rhizobium bacteria Primary production is the production of chemical energy in organic compounds by living organisms.The main source of this energy is sunlight but a minute fraction of primary production is driven by lithotrophic organisms using the chemical energy of inorganic molecules.. Matter can be moved between ecosystems as they are open systems. Classification. Detritus can be consumed by which of the following primary decomposers? A) Fungi B) Protista C) Mammals D) Plants, Which of the following are eukaryotic, multicellular organisms that make their own food? Which of the following is a consequence of biological magnification? Primary consumers are those organisms which feeds on producers. 3. Which of the following most correctly explains a difference between these two measures? Which of the following refers to the amount of new biomass added in a given period of time? a. Bicoid moved from one fly embryo into the posterior of another fly embryo causes the formation of two head regions.\ primary productivity, in ecology, the rate at which energy is converted to organic substances by photosynthetic producers (photoautotrophs), which obtain energy and nutrients by harnessing sunlight, and chemosynthetic producers (chemoautotrophs), which obtain chemical energy through oxidation. Which of the following organisms are herbivores? C) only I, II, and IV B) <1C There tends to be a greater diversity of organisms where the two meet. b. B) I and III only a. Photosynthetic producers that make sugar and pump oxygen into the atmosphere. C) C Respond to the following statements Respond to the following statements with reference to the five trophic categories listed below. changes in phenology Alga a. In turn, zooplankton, which include copepods, jellyfish and fish at the larval stage, provide food for filter-feeding organisms such as bivalves and sponges as well as amphipods, other fish larvae and small fish. See Section 2.1 and Figure 3.01. C) only III Which of the following is a kingdom and not also a domain? 18) 4 . To recycle nutrients, an ecosystem must have, at a minimum. A) Polar bears can provide more food for humans than seals can. C) Seal meat probably contains the lowest concentrations of fat-soluble toxins. II. Burning reduces available carbon for primary producers and, therefore, primary consumers. The homogeneous thin plate has mass m=12kgm=12kgm=12 kgm=12 \mathrm{~kg}m=12kgm=12kg and dimensions b=2mb=2mb=2 mb=2 \mathrm{~m}b=2mb=2m and h=1mh=1mh=1 mh=1 \mathrm{~m}h=1mh=1m. Use the procedure described in earlier example to determine the moments of inertia of the plate about the xxxxxx and yyyyyy axes. b. herbivores at the bottom, carnivores in the middle, and primary producers at the top. 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. They are organisms that feed on primary consumers for nutrients and energy. The law of conservation of mass states that matter cannot be created, yet matter is sometimes gained or lost to an ecosystem. (E) Energy transfer between trophic levels is usually less than 20 percent efficient. Why are food chains relatively short? c. Chemosynthetic producers. C) Japan Net primary production 2. They are called transducers because they change light energy to chemical energy. 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