The terrestrial or soil food chain is made up of a large number of diverse organisms, ranging from microscopic single-celled producers to visible worms, insects and plants. Week Topic/TEKS Agenda 3 . a. Protista b. Plantae c. Bacteria d. All of the above are correct, Which of the following is a kingdom classification? 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. Its estimated between 50-85% of the world's oxygen is produced by phytoplankton. A) China producers. Since they are not mobile, they live and grow where there are nutrients to sustain them. cultivation of soybeans A) Plantae B) Protista C) Bacteria D) Bacteria and protista E) Bacteria and plantae, Which of the following are nonliving microbes? A) the changes in precipitation patterns that result from global warming Into which domain are protists, fungi, plants, and animals classified? E) cyanobacteria. Biology questions and answers. C) Completely decayed soil organic matter is called humus. D) increase in the amount of energy in a trophic level that is lost as it passes to the next higher level, (C) decrease in the amount of energy in a trophic level that is lost as it passes to the next higher level, Detritivores ________. 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. 4) Use the following figure to answer the question. 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 . Which of the following is multicellular? The second trophic level consists of primary consumers the herbivores, or animals that eat plants. 30. Animals like shrimp and crabs can break the materials down to detritus. answer choices. Primary consumers are those organisms which feeds on producers. A. First-order heterotrophs B. Third-order heterotrophs C. Producers D. None of the Above, What is another term for autotroph? 49) Which of the following statements is correct about biogeochemical cycling? Conditions that are right for one organism may not be for another, so it benefits the ecosystem when one can be dormant while another thrives. Gross primary production in aquatic ecosystems is most likely to be limited by decreases in which of the following nutrient pairs? Increasing atmospheric concentrations of carbon dioxide could alter Earth's climate. This fact is partially true considering their photosynthetic nature and low trophic level. a. Protista b. C) 4C All plants are primary producers since they make their own food (glucose). IV. This phytoplankton blooms under the ice, and as the ice level thins and reaches its yearly minimum, the ice algae production slows. A) atmosphere Question: It takes a great mass of primary producers to support a healthy ecosystem that includes tertiary consumers. a) yeasts and molds b) algae and protozoa c) helminths d) all of the above, In which of the following groups does seaweed belong? Primary producers are consumed by primary consumers (generally herbivores), which are then consumed by secondary consumers and so on. Which level of the energy pyramid has the greatest biomass? . b. Decomposers of dead leaves and dead animals. Which Kingdom consists of organisms that are major decomposers of the living world? They eat plants. This non-linear set of interactions which shows the complex flow of energy in nature is more easily visualized in the following diagram. Choose one or more: A. moss B. viruses C. seaweed D. protists E. lithoautotrophs F. fungi G. cyanobacteria 15 OF 19 QUESTIONS COMPLETED. All rights reserved. Which of the following best describes the fate of the unconverted energy? D) only II, III, and IV Green algae c. Plants d. Fungus, Which of the following is an example of a eukaryotic organism? Upon graduating with honors and working for several . B) The Euglenoz, Which domain do both plants and animals belong to? C) III only A) 0.01 percent a) multicellular b) photosynthetic c) eukaryotic d) prokaryotic, Which of the following is not a major kingdom of life? Which of the following is most correct regarding primary producers? 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. C. Oak tree. A) increase in asphalt and concrete surfaces c. They are both prokaryotic. B) I and II A) industrial nitrogen fixation Fungi c. Plantae d. a or b e. a or c, Which type of organism does not photosynthesize? 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. He currently serves as the managing editor of HousingWire, the leading publication of housing and real estate news in . A sample of wood contains $12.5 \%$ of its original carbon-14. Nutrients are attached to small particles of sand or clay that leave the watershed. $\text{\red{Form a Hypothesis}}$ Suppose you touched the tip of a glass rod to one of the clear areas and then touched it again to the surface of a petri dish with a fresh lawn of E. coli. Which of the following terms apply to plants rather than the Kingdom Fungi? a. Prokaryotic. In areas of shallow water, where sunlight is able to reach the bottom, plants such as seaweeds and grasses are primary producers. Finally, answer the five questions following the food web diagram. a. Archaea b. Animalia c. Bacteria d. Eukarya, Prokaryotes such as E. coli a. Animalia b. Bacteria c. Viruses d. Protista e. Fungi f. None of the above, The kingdom Protista is a diverse group. As the primary source of food for zooplankton, these organisms form the base of the food chain for the entire ocean population. While primary consumers are always herbivores; organisms that only feed on autotrophic plants, secondary consumers can be carnivores or omnivores. 62) Which of these ecosystems has the lowest net primary production per square meter? 46) Use the following figure to answer the question. How does phosphorus normally enter ecosystems? E) permanent burial of nitrogen in coastal environments through runoff, Which of the following is a source of human-fixed nitrogen? Which of the following is an example of a group of prokaryotic organisms? How does this occur? E) 0C, The shift in the peak of caterpillar season is most likely due to ________. 61) Which of the following organisms is incorrectly paired with its trophic level? (a) Bacteria (b) Archaea (c) Fungi (d) Helminths (e) Protozoa. Net primary productivity is the rate of carbon dioxide fixation by photosynthetic activity minus the fraction of carbon used for the maintenance and cellular respiration by the autotrophic planktonic microbes and the benthic plants. Why are food chains relatively short? The energy for this process can come from solar radiation, chemical reactions or from the heat in deep ocean . a. are multicelled b. form flagellated spores c. are heterotrophs d. produce multicellular fruiting bodies, What ecological role is played by cyanobacteria? C) chemoautotrophic bacteria. Essential Duties and Responsibilities: Following is a summary of the essential functions . (a) Archaea (b) Plantae (c) Fungi (d) Protista (e) Animalia. (E) Fish can potentially provide more food for humans than seal meat. In ecosystems, why is the term cycling used to describe the transfer of chemical elements, whereas the term flow is used for energy exchange? They do this through the process of photosynthesis. About how much of the chemical energy fixed by photosynthesis of the grass (100 percent) is available to the hawk? Which letter represents an organism that could be a producer? 56) The first step in ecosystem restoration is to ________. Which of the following is a consequence of biological magnification? Explanation: The primary producers are the autotrophs i.e. Which of the following is an example of a primary producer? (d) Bacteria. C) Nutrient cycles involve both abiotic and biotic components of ecosystems. Which of the following is not a domain on Earth? B) Canada Our goal is to make science relevant and fun for everyone. Primary Purpose: Lead the producer and senior leader recruiting strategy in an ongoing effort to discover and acquire top-tier talent. a. Protists b. Archaea c. Kingdom Animalia d. Kingdom Plantae, What are eukaryotic, multicellular organisms such as mushrooms called? B) Acrasiomycota. Fungi and Plantae c. Fungi and Metazoa, Bacteria, mushrooms, and other fungi are examples of? Study with Quizlet and memorize flashcards containing terms like 1) If the sun were to suddenly stop providing energy to Earth, most ecosystems would eventually vanish. D) Germany Food webs are typically arranged into trophic levels with: a. primary producers at the bottom, herbivores in the middle, and carnivores at the top. 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. with dramatic reduction of greenhouse gases? B) Top-level feeders tend to be small but are capable of conserving more energy. A) secondary consumers and top carnivores require less energy than producers d producers. A) recycle chemical elements directly back to primary consumers Next rank the relative concentration of DDE in each plant/animal using the following scale: 1 = lowest concentration - 10 = highest concentration. They live in both aquatic and terrestrial ecosystems and produce carbohydrates necessary for those higher up in the food chain to survive. B) open ocean A. mosses and liverworts. A.) a. List, in order, the steps of the scientific method. See Page 1. Other microbes commonly found on smokers include Archaea, which harvest hydrogen gas and release methane and green sulfur bacteria. Based on the energy pyramids below which of the following is true? A) Top-level feeders tend to be more numerous than lower-trophic-level species. Advertisement Advertisement aless82 aless82 24) Many of the organisms in the ocean are nutrient-limited. Complete the following assignments for week 3. By using fossil fuels we are destroying a nonrenewable resource. 36) 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 harmful algal bloom is fast-growing and affects animal, human and environmental health. 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. D) only II and III \\ b. Euglena. The four levels in this food chain are primary consumers, secondary consumers, tertiary consumers, and finally decomposers or phytoremediators. a. producer b. primary consumer c. secondary consumer d. tertiary consumer e. decomposer ____ 30. View the full answer. The measures of net primary production (NPP) and net ecosystem production (NEP) both can be used to quantify gross primary production (GPP). a primary consumers. As with all ecosystems, each element of a freshwater pond ecosystem is dependent on the other elements and organisms for survival. II. Chemical elements are repeatedly used, but energy passes through and between ecosystems. E) Fish can potentially provide more food for humans than seal meat. 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. eukaryotic phytoplankton. Animals b. (A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. Select all of the following that describe the primary production of an ecosystem. Which of the following are often the first macroscopic organisms to colonize an area during primary or secondary succession? Producer b. Decomposer c. Primary consumer d. Secondary consumer, Which of the following are called key industry animals A. Autotrophs B. Decomposers C. Herbivores D. Top carnivores. B) only II and IV What is a reasonable explanation for this? But an unlikely contributor makes their survival and, therefore, the entire rest of the food web's survival possible. cyanobacteria. Of this, 2,100 J is indigestible and is eliminated as feces, 800 J are used in cellular respiration, and 100 J are used for growth and reproduction. The banks of streams and rivers, for example, provide some of the food sources to support the streams food chain; land organisms also consume water organisms. the temperature on Earth. 25) If you applied a fungicide to a cornfield, what would you expect to happen to the rate of decomposition and net ecosystem production (NEP)? B) nitrogen fixing bacteria Her work has also appeared on LetsGetOutside.us and Happy Science Mom. D) both primary and secondary productivity, After looking at the experiment in the accompanying figure, what can be said about nutrient A) protista B) plants C) fungi D) archaea E) bacteria. Question 10. 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) pesticide use Which one of the following characteristics is shared by all of its members? Give an ex 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. Are bacteria heterotrophic or autotrophic? D) methanogenic protozoans Production increases correspond to periods of ice thickening increases in the fall, while there is still significant sunlight. (C) Completely decayed soil organic matter is called humus. Which of the following is most correct regarding non-limiting and limiting nutrients? E) Australia, In the accompanying figure, which of these countries has the highest total CO2 emissions? (C) ones that use nitrogen-containing compounds as an electron acceptor. Producers provide food to consumers because ___. B) only II Organisms that are not producers are called consumers as they consumer other organism (plants or animals) in order to get food. oceans Study with Quizlet and memorize flashcards containing terms like When primary producers expend energy to build new tissue, this is ________. Study with Quizlet and memorize flashcards containing terms like When you eat an apple, you are serving as a _____. Detritus can be consumed by which of the following primary decomposers? Which protists are the most abundant marine photosynthetic producers? 38) Which trophic level is most vulnerable to extinction? The three plaintiffs claim Baldwin ignored warning signs which led to the death of cinematographer Halyna Hutchins. List the other elements in the group. D) wetlands plus the ocean neritic zone, Which habitat type in the figure makes available the most new tissue to consumers? Decomposer. Real estate investing involves the purchase, management and sale or rental of real estate for profit. D) II and III only A) Fungi B) Protista C) Mammals D) Plants, Which of the following are eukaryotic, multicellular organisms that make their own food? A longtime student of the life sciences, she served as a leader for Girl Scouts and 4H, sharing her interests by teaching children and teens about natural and environmental science and animal anatomy. Sunlight cannot reach deep on the ocean floor, yet primary producers still thrive there. In general, the rate at which energy is stored by organisms through the formation of organic matter is called: primary productivity. Primary producers support the primary consumers in an ecosystem. Protists are all alike in that all are: A) autotrophic. \\ c. Protista. Unicellular autotrophs may be found in the kingdom _______. D) nitrogen fixation by bacteria, Consider the global nitrogen cycle depicted in the accompanying figure. 35) Why does a vegetarian leave a smaller ecological footprint than an omnivore? NPP measures GPP minus the energy used by primary producers. Some may discolor the water, have a foul odor or make the water or fish taste bad, but not be toxic. Primary producers are those organisms that can synthesize their own food using carbon dioxide and water in the presence of sunlight ( photosynthesis). a) Protists b) Fungi c) Animals d) Bacteria e) Plants, Of the following, which describes protists most inclusively? number of producers and their efficiency. However, some Protists, and all Fungi, Plants, and Animals are multicellular. 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 . B) open ocean B) increased extinction rates of species in the food chain Though when they are dry, they appear to be dead, they are in fact in a dormant state and transform with the next rainfall. To which group of the periodic table does oxygen belong? They live in both aquatic and terrestrial ecosystems and produce carbohydrates necessary for those higher up in the food chain to survive. Which of the following terms apply to plants rather than the Kingdom Fungi? A) nitrogen in the atmosphere Nutrients dissolve in the water running through the watershed. 17) Why is terrestrial productivity higher in equatorial climates? Which kingdom of eukarya consists primarily of unicellular organisms? 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. 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. Answer: Option 3) primary producer. Which one of the following actions would increase the net primary productivity of the area the most? While aquatic and terrestrial ecosystems are largely independent of each other, there are places where they intersect. Primary producers are vital to the survival of an ecosystem. C. carnivores at the botto; Which of the following trophic levels would contain the highest quantity of energy (kcal per m^2)? All members of the kingdom ________ are heterotrophic. If the most advanced organisms are multicellular, what would be the adv. B) typically 10 times higher in a clear-cut watershed 1. B. herbivores at the bottom, carnivores in the middle, and primary producers at the top. D) chlamydiae. 57) The goal of restoration ecology is to ________. ; For example, In terrestrial ecosystems, producers are the green plants, phototrophic bacteria, algae etc. Our experts can answer your tough homework and study questions. In other words, all animals are dependent, either directly or indirectly on the food materials stored in plants. Expert Answer. B) I and II D) glaciers Though hydrogen sulfide is toxic to most animals, organisms living at these hydrothermal vents have adapted and instead thrive. 55) How can biodiversity affect the way we decontaminate industrial sites? ____ 31. Those that are not consumed right away eventually die and drift to the lower levels as detritus where they may be consumed by deep-sea organisms that filter their food, such as coral. The sons would be :-. 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? plants are more abundant in ecosystems. Assume that, over a period of time, an owl consumes 5,000 J of animal material. A) rate of decomposition of detritus D) II, Using the accompanying figure, what is the predicted change in temperature under a model with continued very high emission of greenhouse gases? Select the correct answer. d. Sheep can be cloned by fusing a differentiated adult cell with an enucleated egg. label each plant/animal with one of the following labels: primary producer, primary consumer, secondary consumer or tertiary consumer. Primary producers in those environments use chemosynthesis instead. (a) heterotrophs (b) autotrophs (c) chemoautotrophs (d) primary producers. If the genes are present on the same chromosome, they undergo more than one crossing over in every meiosis. A food chain represents the relationship between predator and prey. A) only I and III D) Zygomycota.