Biology Chapter 2 Ecology Flashcard

Front

What is nitrogen fixation?

Back

The process where nitrogen is captured and converted into a form usable by plants.

Front

What is parasitism in the context of symbiosis?

Back

A relationship where one organism benefits and the other is harmed.

Front

What is a keystone species?

Back

An organism that plays a critical role in maintaining the structure and biodiversity of an ecosystem.

Front

What is the smallest level of biological organization?

Back

Atoms.

Front

What is a biome?

Back

A large group of ecosystems that share the same climate.

Front

What is denitrification?

Back

The process by which nitrogen is converted back into nitrogen gas, returning it to the atmosphere.

Front

What is photosynthesis?

Back

The process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

Front

What is mutualism?

Back

A symbiotic relationship where both organisms benefit.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their environment.

Front

What is biodiversity?

Back

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