Ecology Exam

Front

What are limiting factors in an ecosystem?

Back

Anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought.

Front

What is the primary difference between primary and secondary succession?

Back

Primary succession occurs in an area with no previous soil, while secondary succession occurs in areas where soil is already present.

Front

What is an invasive species?

Back

A species that has been introduced to an ecosystem and causes harm.

Front

What role do decomposers play in an ecosystem?

Back

They break down dead material and recycle nutrients back into the ecosystem.

Front

What is a producer in an ecosystem?

Back

An organism that makes its own food, also known as an autotroph, such as plants.

Front

Define ecology.

Back

The study of interactions between living organisms and their environment.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

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

Front

What is the role of producers in a food chain?

Back

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