Relationship in which one species benefits and the other species is harmed

Relationship in which members of two different species benefit from living with one another

Relationship in which one species benefits while the other species is unaffected by the presence of the other organism

Relationship in which members of the same species work together

Organisms fight over shared resources, such as food, light, shelter, mates

One organism stalks, hunts, and kills another organism for food

An organism that makes its own food through photosynthesis

Which organism in the food chain shown would have the least amount of energy available to it? Acorn -- Squirrel -- Snake --Hawk

If the primary consumers have 24,000 kcal of energy available to them, how much energy would be available to the tertiary consumers?

What type of consumer eats only plants?

What type of consumer eats only other animals?

What type of consumer eats both plants and animals?

What type of consumer breaks down dead organisms and returns nutrients to the ecosystem?

What happens to energy as it moves through a food chain?

In a food chain, herbivores will be

All of the non-living parts of an ecosystem are considered to be

Each step in a food chain or energy pyramid is called

Which of the following is NOT a biotic factor?

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