Life Science Review

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow through the environment.

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What is a secondary consumer?

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A secondary consumer is an organism that eats primary consumers (herbivores) in a food chain.

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What is a tertiary consumer?

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A tertiary consumer is an organism that eats secondary consumers in a food chain.

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What is an energy pyramid?

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An energy pyramid is a graphical representation that shows the flow of energy at different trophic levels in an ecosystem.

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What is adaptation?

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Adaptation is a feature or trait that enhances an organism's ability to survive and reproduce in its environment.

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What are deep roots?

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Deep roots are adaptations in plants that allow them to access water and nutrients from deeper soil layers, helping them survive in dry environments.

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What is DNA?

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DNA (deoxyribonucleic acid) is the molecule that carries the genetic instructions for the growth, development, and reproduction of living organisms.

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What is a primary consumer?

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A primary consumer is an organism that eats producers (plants) in a food chain.

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What is a biome?

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A biome is a large geographical area characterized by specific climate conditions, plants, and animals.

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What is a homologous structure?

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A homologous structure is a body part that is similar in structure and position but may have different functions in different species, indicating common ancestry.