STAAR Biology Category 5

Front

All energy originates from?

Back

The sun.

Front

What is the relationship called when a bird eats parasites off of an antelope?

Back

Mutualism.

Front

What percentage of energy usually transfers from one trophic level to the next?

Back

10%.

Front

In the food chain: Grass >> mouse >> cat >> coyote. What type of consumer is the coyote?

Back

Tertiary consumer.

Front

Who is responsible for the recycling of matter in ecosystems by breaking down dead organic matter?

Back

Decomposers.

Front

What is a producer in an ecosystem?

Back

An organism that can make its own food, typically through photosynthesis.

Front

Define primary consumer.

Back

An organism that eats producers; typically herbivores.

Front

What is the role of secondary consumers in an ecosystem?

Back

They eat primary consumers and are usually carnivores or omnivores.

Front

What is the difference between mutualism and commensalism?

Back

Mutualism benefits both species, while commensalism benefits one without affecting the other.

Front

What is a food web?

Back

A complex network of feeding relationships among organisms in an ecosystem.