APES Semester Exam Review

Front

What is a keystone species?

Back

A species that helps to hold an ecosystem together.

Front

Where do all life forms get their energy?

Back

The Sun.

Front

How does a tree falling from the overstory layer affect surrounding plants?

Back

They would have access to more sunlight and more space.

Front

What does the Tragedy of the Commons summarize?

Back

Self-interests outweigh public interest.

Front

What is adaptation in ecology?

Back

Anything that helps an animal survive in its environment.

Front

Define biodiversity.

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms and their physical environment interacting as a system.

Front

What is the role of producers in an ecosystem?

Back

Producers convert solar energy into chemical energy through photosynthesis.

Front

What is the difference between a food chain and a food web?

Back

A food chain is a linear sequence of organisms, while a food web is a complex network of interconnected food chains.

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support sustainably.