Which trophic level(s) must be present to sustain any ecosystem?a. producers onlyb. producers and consumersc. producers, detritivores, and decomposersd. producers, consumers, detritivores, and decomposers

Q: Which term is incorrectly matched?(a) biogeochemical cycles—recycling of life-essential ele-ments…

A: The presence of all physical surroundings on Earth are known as the environment. The environment…

Q: A complex of interconnected food chains in an ecosystem is called (a) an ecosystem (b) a pyramid of…

A: To find: What a complex of interconnected food chains in an ecosystem is called?

Q: In the food web the amount of matter A) remains constant. B) remains unstable. is all converted to…

A: A food web is basically a collection of food chains that are interlinked with one another. The…

Q: The discipline that applies ecological principles to returningdegraded ecosystems to a more natural…

A: The ecosystem refers to the community of living organisms that interacts with each other and their…

Q: What is the trophic position of SPB a. primary producer b. primary consumer c. secondary consumer d.…

A: The stable isotope pattern is given in the image for illustrating relationship between different…

Q: Which option below most likely describes the nature of the pollutant and the trophic levels of each…

A: The answer is option A) black squares represent a primary producer, red triangles an herbivore and…

Q: Choose the word that best describes the picture provided. * O potential resource reserve resource O…

A: Potential resources are those which exist in a region and and which can be used in the future.…

Q: Which of the following is an abiotic component of the biosphere? (a) algae (b) insects (c) lichen…

A: Ecosystem is the hierarchical complex system of the biosphere that includes the interrelationships…

Q: Which of the following is an Abiotic factor? A) Plants B) Water C) Consumers D) Animals

A: The non-living physical and chemical factors that affect the living organisms and the ecosystem is…

Q: At which trophic level would you expect the highest amount of biomass? O carnivore O primary…

A: Trophic levels are certain energy levels in the food chain. Energy is passed up from lower to higher…

Q: Is it possible to describe abiotic factors as more or less important to an ecosystem than biotic…

A: Ecosystems are the structural and functional units of ecology in which living species interact with…

Q: The direction of the arrows in a trophic chain (as the one in the figure below) represents... В C E…

A: This food chain has 5 trophic levels where flower is the primary producer and insect is the primary…

Q: Which of these would decrease the rate of evaporation in an ecosystem? Oa. Creation of a reservoir…

A:

Q: A researcher measures the amount of mercury (a persistant toxic chemical) in the fish of a lake…

A: On the surface of the Earth, fresh water is a valuable resource. It also supports a wide range of…

Q: Which of the following organisms is not involved in a trophic cascade? a. Spartina alterniflora b.…

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Q: Which statement best explains why persistent, fat-solublechemicals such as methylmercury accumulate…

A: Heavy metals pass into food chain and with the rise in trophic level, their concentration increases…

Q: As energy is transferred from one trophic level to the next, substantial amounts of energy are lost…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: Which process in the water cycle is facilitated by producers? transpiration condensation runoff D…

A: The chemical elements and water that are needed by organisms continuously recycle in ecosystems.…

Q: Which one of the following has the largest population in a food chain?(a) Producers(b) Primary…

A: Decomposers include macro-organisms such as earthworms, millipedes, snails, and termites. They also…

Q: Select all the abiotic factors that could affect an ecosystem. A Animals BA Factory C Trees

A: In biology, an organism refers to the individual of a living entity. The living organisms in an…

Q: The second trophic level in a lake is(a) Phytoplankton(b) Zooplankton(c) Benthos(d) Fishes

A: Trophic levels refer to the different energy levels in a food chain. Producers, consumers,…

Q: Minnows and fish are primary consumers. a. b. Algae and floating plants are decomposers C. Aquatic…

A: All organisms on the earth need energy for their primary support of life. The energy requirement of…

Q: Lakes and ponds that exhibit high levels of eutrophication typically are affected by too much A.…

A: Eutrophication is the process of enrichment of nutrients in lakes and ponds resulting in excess…

Q: Oligotrophic lakes have a. low oxygen, and high nutrient availability. b. high oxygen, and high…

A: this lake is more common in the cold area they have low algal growth they have clear water and is of…

Q: The data shows the energy available per individual in the food chain illustrated in the diagram.…

A: Food web is a network of all food chains in an ecosystem. These food chains are interdependent and…

Q: Which organisms are considered the “recyclers” of our planet? (a) consumers (b) producers (c)…

A: Decomposers are called nature's recyclers, as they break down the organic matter in an ecosystem.…

Q: Answer the questions below based on the Active Reading above: 1. Organisms need to live and to…

A: 1. Organisms need air,water,food  to live and shelter to survive. 2. The option C is  correct . That…

Q: The health of an ecosystem is typically measured by look at its level of ___, or the variation of…

A: An ecosystem is a place where biotic as well as abiotic factors live in harmony.

Q: Food chains are typically short in the tundrabecause primary production is lower than in mostother…

A: Food chain A food chain is a sequence of populations or organisms of an ecosystem through which the…

Q: All of these organisms except for one, belong to the same trophic level. Which one doe not belong?…

A: The flow of energy begins in an ecosystem in a unidirectional way which forms a network called food…

Q: Which practice would most likely lead to the disruption of an aquatic ecosystem? (A) crop rotation…

A: In aquatic ecosystem different types of organisms are present that form a complex food web. Aquatic…

Q: Which component of an aquatic food chain captures carbon dioxide and converts it to sugar? Solar…

A: The aquatic food chain is a food chain that takes place in water. It is made up of phytoplankton,…

Q: Most vegetation was destroyed after a fire, but quickly started coming up afterwards due to a good…

A: Plants require water, sunlight, nutrients, and carbon dioxide for producing organic substances in…

Q: a Name two producers in the food web. Text Here b Name three consumers in the food web. Text Here c…

A: a- Land water, Tiny water plants b- Slug, water fleas and perch c- Food chain Trophic level 1. Tiny…

Q: Differentiate between: a. Biotic and abiotic component

A: An ecosystem is shaped by its biotic component. These are communities of organisms made up of…

Q: Food chains are sometimes short because(A) only a single species of herbivore feeds on each…

A: Food chain is a linear representation of trophic level from producer to decomposer. It is a sequence…

Q: An example of abiotic factors impacting the ecosystem?

A: Abiotic waters are the non living factors like water, temperature, air which are present in our…

Q: Which of the following is NOT a group of organisms in a typical ecosystem? O Decomposers O Producers…

A: Introduction  An ecosystem deals with both biotic and abiotic factors and their interaction with…

Q: Which of the following is NOT a group of organisms in a typical ecosystem? O Decomposers O Producers…

A: A living thing is referred to as an organism. Taxonomy divides organisms into two groups:…

Q: Using the concepts of trophic levels and energy flow, explain why the ecological footprint of a…

A: Tropical levels in a ecological systems makes a ecological balance in the environment. In this…

Q: Which term describes the process whereby toxic substances increase along trophic levels of an…

A: Organisms inhabiting an ecosystem acquire energy in several ways, that is transferred between…

Q: Draw a food chain showing the relationships between these organisms, indicating the direction of the…

A: Food chain, in the field of ecology is defined as the sequence of matter and energy transfer in the…

Q: In an ecological pyramid, what is the major role of the microbes? A.Decomposers B. Consumers C.…

A: An ecological pyramid is a graphical portrayal of the connection between the diverse living…

Q: Study the ecological pyramid and answer the questions. ) There are trophic levels in an ecosystem. )…

A: An ecosystem is a geographic area where plants, animals, and other organisms live together.…

Q: ect one abiotic and one biotic factor in an area where a herd of c side. How does these factors…

A: The ecosystem includes a total of biotic and abiotic factors that are present in a habitat.

Q: Which organisms can be found at the first, lowest, trophic level? a. herbivores b. carnivores c.…

A: Introduction: The geographic area consisting of both biotic and abiotic components of nature to form…