Chapter 5: Interactions: Environments and Organisms

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or ecological pyramid occupied by a group of organisms with similar feeding mode.

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What is an ecosystem?

Back

An ecosystem is all of the living and nonliving things in an environment.

Front

What is an abiotic factor?

Back

An abiotic factor is a non-living component of an ecosystem, such as water, sunlight, or minerals.

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What is a food chain?

Back

A food chain is a linear sequence of organisms where each organism is the food source for the next organism in the chain.

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Why are advantageous traits more likely to be passed on to the offspring?

Back

Because parents with those traits can survive and reproduce better.

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What is a food web?

Back

A food web is a complex network of interconnected food chains within an ecosystem.

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Define biotic factors.

Back

Biotic factors are the living components of an ecosystem, including plants, animals, and microorganisms.

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What is the role of producers in an ecosystem?

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Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What is the significance of decomposers?

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Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

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What is carrying capacity?

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Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support.