____ 31. Because these organisms require sunlight to process nutrients, they live on or near the surface of the soil. Short Answer. What is the reason for this seeming contradiction? He currently serves as the managing editor of HousingWire, the leading publication of housing and real estate news in . 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. a. giant kelp (Kingdom Protista) b. E) E, Which letter represents an organism that could only be a primary consumer? The first trophic level of an ecosystem consists of. B) I and III only can synthesize their food.They provide food, shelter, and O to the consumers. 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. A) It is undigested and winds up in the feces and is not passed on to higher trophic levels. C) I, II, and III - Producer - Moss - Grass - Mushroom, Prokaryotic organisms make up the.. a. Archaebacteria, Eubacteria, and Protists b. Archaebacteria and Protists c. Protists and Eubacteria d. Eubacteria and Archaebacteria. |=1 | | | heterotrophs. Determine the percent of sodium nitrate in the original sample. E) E, The feeding relationships among the species in a community determine the community's ________. Arditi Design is one of the exclusive designers and producers of luxury handmade furniture based in Florida, USA. Which of the following ecosystems would likely survive the longest after this hypothetical disaster? Some of the energy is reflected, and some is absorbed by the Earth's surface. Which of the following is most correct regarding non-limiting and limiting nutrients? c. They are both prokaryotic. Found on soil and stones as well as some ferns and other plants, these poikilohydric plants are able to transition between active and resting phases depending on whether they are wet or dry. Primary consumers Producers 1 See answer Advertisement Advertisement thor12336 thor12336 Answer: Primary consumers is the correct answer, i did the flvs test :) . Primary Purpose: Lead the producer and senior leader recruiting strategy in an ongoing effort to discover and acquire top-tier talent. Primary producers are the foundation of an ecosystem. 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. Which of the following is a primary producer? All ecosystems are affected by wildfires equally. When primary producers expend energy to build new tissue, this is _____. Explain. Which of the following is most correct regarding primary producers? ; For example, In terrestrial ecosystems, producers are the green plants, phototrophic bacteria, algae etc. 13) Use the following figure to answer the question. Which of the following is most correct regarding primary producers? 2) Which of the following terms encompasses all of the others? (a) Fungi (b) Plantae (c) Bacteria (d) Protista. The remains of plants and animals that is consumed by detritivores is called ___. C) Nutrient cycles involve both abiotic and biotic components of ecosystems. A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. Which of the following is not an autotroph? D) The answer is most likely a combination of the other responses. atmosphere Which of the following is a primary producer? land use changes Similarly to the ocean floor, sunlight does not reach deep into caves. D) only I and III Producers are the foundation of every food web in every ecosystemthey occupy what is called the first tropic level of the food web. Herbivores are group of organisms that feeds on plants alone. 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. Explanation: Only primary consumers can function as a herbivores. 9) Use the following figure to answer the question. C. Oak tree. A) Rhizobium bacteria II. B) primary productivity B) Canada Energy is neither created nor destroyed; therefore, it is fully transferred to each trophic level. 42) Use the following figure to answer the question. All of the above are eukaryotic. 45) Use the following figure to answer the question. 17) Why is terrestrial productivity higher in equatorial climates? animals cannot produce their own food. Producers c. Cyanobacteria d. Algae e. Autotrophs, Photosynthetic organisms are found in which domain: a. Archaea b. Bacteria c. Eukarya d. a and b e. b and c, Eukaryotic, multicellular organisms such as mammals a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, All of the following are examples of eukaryotic microorganisms except: \\ Amoebas \\ Actinobacterias \\ Stramenopilas \\ Trypanosomas \\ Yeasts \\ Algae, Which of the following organisms are categorized as macro-organisms: a) Human beings b) Fungi c) Bacteria d) Algae, Eukaryotic, multicellular organisms that make their own food a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above. 49. Carnivores eat only animals, but omnivores eat . How does this occur? 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. You discover a nucleated, unicellular organism that is photosynthetic but can also eat other organisms. A) industrial nitrogen fixation If a fox eats a rodent that ate a smaller insect that ate a plant, the fox is a(n). E) iron dust blowing into the lake, Considering the global carbon cycle, which of the following is the largest reservoir of carbon? B) 0.1 percent A) the increase in the total temperature across the oceans B. primary producers. If the genes are present on the same chromosome, they undergo more than one crossing over in every meiosis. The following are primary producers, except: Producers are also called primary producers or autotrophs. 1. The major role of detritivores in ecosystems is to. producers. a. Eukaryote b. Prokaryote c. Fungal d. Plantae, Which of the following is an example of a group of prokaryotic organisms? 7) Use the following figure to answer the question. Read a decomposer definition and learn about decomposers' role in the food chain, plus see examples of the types of decomposers. a. Protista b. A) tropical wet forest D) Predators have short life spans and short reproductive periods. Gross primary production in aquatic ecosystems is most likely to be limited by decreases in which of the following nutrient pairs? answer choices. All other trademarks and copyrights are the property of their respective owners. A) recycle chemical elements directly back to primary consumers |>1 | | |. Study with Quizlet and memorize flashcards containing terms like When primary producers expend energy to build new tissue, this is ________. E) Top-level predators are more likely to be stricken with parasites. The answer is Primary consumers and producers. C) algal beds and reefs plus the ocean neritic zone E) Energy transfer between trophic levels is usually less than 20 percent efficient. A food chain represents the relationship between predator and prey. A) 0.01 percent These visible colonies of cyanobacteria or microalgae may be present in a variety of colors such as red, blue, green, brown, yellow or orange. Primary producers in those environments use chemosynthesis instead. A) Top-level predators are destined to have small populations that are sparsely distributed. B) Predators have relatively large population sizes. These plants provide food for insects, fish and amphibians. About half of all photosynthesis happens in the oceans. Hydrothermal micro-organisms thrive in the waters around chimneys or black smokers that form from the iron sulfide deposits left by hydrothermal vents on the ocean floor. 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 ________. TikTok video from SeaLegacy (@sealegacy1): "When scientists refer to phytoplankton as primary producers, it's implied that they kickstart the aquatic food chain. 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. 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) the ratio of net secondary production to assimilation of primary production 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. 8) Use the following figure to answer the question. Primary producers comprise the bottom trophic level, followed by primary consumers (herbivores), then secondary consumers (carnivores feeding on herbivores), and so on. A.) C) Heat produced by cellular respiration is used by heterotrophs for thermoregulation. Amount of energy available to primary consumers (A) Top-level predators are destined to have small populations that are sparsely distributed. There is a maximum of three to four trophic levels in a food chain. Why is net primary production (NPP) a more useful measurement to an ecosystem ecologist than gross primary production (GPP)? Complete the following assignments for week 3. plants can easily make food from soil and water. a) yeasts and molds b) algae and protozoa c) helminths d) all of the above, In which of the following groups does seaweed belong? 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. 1) If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. 60) Acid precipitation lowered the pH of soil in a terrestrial ecosystem that supported a diverse community of plants and animals. D) ocean neritic zone. C) Longer chains are less stable and energy transfer between trophic levels is inefficient. They are called transducers because they change light energy to chemical energy. answer choices. No nutrients evaporate now that vegetation is absent. Which of the following is most correct regarding primary producers? (B) Populations of top-level predators are generally smaller than populations of primary consumers. \\ c. Protista. Unicellular autotrophs may be found in the kingdom _______. D) Obtaining a bachelor's degree. There are no secondary producers for top carnivores or G. composers. 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. use light energy to synthesize organic matter from inorganic matter. I. Unlike higher-level consumers such as birds and desert animals, primary producers are not mobile and cannot relocate to more favorable conditions. Like their aquatic counterparts, they use photosynthesis to convert nutrients and organic materials from the soil into food sources to nourish other plants and animals. James Kleimann is an award-winning - and losing! The second trophic level consists of primary consumers the herbivores, or animals that eat plants. Primary consumers are those organisms which feeds on producers. a) Yeasts b) Sponges c) Sporozoans d) Fishes e) Diatoms. A) 7C Expert Answer. Green algae c. Plants d. Fungus, Which of the following is an example of a eukaryotic organism? 12) Matter may be gained by, or lost from, ecosystems. a. secondary consumers b. tertiary consumers c. primary producers d. primary consumers e. secondary producer; Humans are _____. They use the chemical energy found in the minerals of the hot spring to create hydrogen sulfide. Which prediction most accurately reflects the impact this will have on the community? B) Decomposers compete with higher-order consumers for nutrients and energy. I. terrestrial ecosystems What is the approximate production efficiency of this animal? (c) Fungi. They eat plants. zooxanthellae A) the changes in precipitation patterns that result from global warming Chemoautotrophic prokaryotes near deep-sea vents are primary producers. 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 Click card to see definition (D) net primary . 1) Autotrophic 2) Eukaryotic 3) Heterotrophic 4) Symbiosis 5) Decomposers. plant and animal biomass . a. Protista b. Plantae c. Bacteria d. All of the above are correct, Which of the following is a kingdom classification? e. Predators, How would the following organism be classified? A) bacteria. The primary sources of greenhouse gas emissions in the United States are: Transportation (27% of 2020 greenhouse gas emissions) - The transportation sector generates the largest share of greenhouse gas emissions. B) animals. 62) Which of these ecosystems has the lowest net primary production per square meter? Viruses 4. a. Metazoa and Plantae b. |--|--|--| A) secondary succession Why is the following statement confusing and how would you clarify it using metric (SI) units ? 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". of anatomy and physiology? Primary producers support the primary consumers in an ecosystem. B) Canada Which of the following groups of organisms are decomposers? The none of the above is what this is. B) only II C) internal nitrogen cycling in the oceans emissions? B) ecological niche C) only I, II, and IV Which of these ecosystems has the highest net primary productivity per square meter annually? C) typically 10 times higher in an uncut watershed C) as matter passes through ecosystems, some of it is lost to the environment (d) Bacteria. Regarding soil and organic matter in humus, which of the following statements is TRUE? b. Decomposers of dead leaves and dead animals. In freshwater areas and shallow saltwater areas, producers include not only phytoplankton such as green algae, but also aquatic plants such as sea grasses and seaweed or larger rooted plants that grow on the surface of water such as cattails and provide not only food but also shelter for larger aquatic life.

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