Which is NOT an abiotic factor?

Land biomes are called

What can cause an increase in population size?

Which is a limiting factor?

The physical place where a population lives is called its

Which is an example of a parasitic relationship?

T/F: Energy returns to its source (or cycles) in an ecosystem.

The process in which organisms use chemicals to make food energy is called

Which organisms only eat other consumers?

Detritivores are organisms that eat

T/F: Each stage of a food chain has less available food energy than the last one.

What shows the amount of energy available at each step of a food chain?

When water vapor is released by plants, it is called

Plants release ___ as a waste product of photosynthesis.

Producers make a food source called

How do humans contribute to the carbon cycle?

T/F: Environmental changes can be slow or rapid.

The largest number of individuals of one species that an ecosystem can support over time is called

A relationship in which two organisms benefit is called

Which organisms cannot make their own food and get energy by eating other organisms?

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