Exit Ticket-Nitrogen and Phosphorus cycle

Front

What percentage of the atmosphere is composed of nitrogen gas?

Back

78%

Front

What organisms break down dead plants and animals and release nitrogen back into the atmosphere?

Back

Bacteria

Front

What element is released by the weathering of rocks?

Back

Phosphorus

Front

How do animals obtain the nitrogen they need?

Back

From the food they eat

Front

Can plants and animals use nitrogen directly from the air?

Back

No, they cannot.

Front

What is the process called where nitrogen gas is converted into a usable form for plants?

Back

Nitrogen fixation

Front

What role do legumes play in the nitrogen cycle?

Back

They host nitrogen-fixing bacteria in their root nodules.

Front

What is the main source of phosphorus in ecosystems?

Back

Weathering of rocks.

Front

What is the term for the movement of nitrogen through the atmosphere, soil, and living organisms?

Back

Nitrogen cycle

Front

What is the significance of decomposers in the nitrogen cycle?

Back

They break down organic matter and release nitrogen back into the soil.