Ecology Final 2024

Front

Nitrogen fixation is accomplished by _____

Back

bacteria

Front

What is one of the biogeochemical cycles?

Back

Nitrogen

Front

_________ ______________: extinction of many species in a relatively short period of geologic time

Back

mass extinction

Front

___________ services are processes provided by healthy ecosystems that support life and human economies at no monetary cost to us.

Back

Ecological

Front

What is the role of bacteria in the nitrogen cycle?

Back

Bacteria convert atmospheric nitrogen into forms usable by plants.

Front

Define biogeochemical cycle.

Back

A biogeochemical cycle is the movement of elements and compounds through living organisms and the environment.

Front

What is an example of a biogeochemical cycle?

Back

The carbon cycle.

Front

What are ecological services?

Back

Benefits provided by ecosystems, such as clean air, water purification, and pollination.

Front

What is mass extinction?

Back

A significant and rapid decrease in biodiversity on Earth, often due to catastrophic events.

Front

What is the importance of nitrogen in ecosystems?

Back

Nitrogen is essential for the production of amino acids, proteins, and nucleic acids.