Nitrogen & Phosphorus Cycles

Front

What does label A in the nitrogen cycle diagram represent?

Back

Nitrogen in the atmosphere.

Front

What is the process called in which nitrogen circulates and is recycled?

Back

The nitrogen cycle.

Front

What is an algal bloom?

Back

The rapid growth of a population of algae.

Front

Is phosphorus mainly found (stored) in the atmosphere?

Back

False.

Front

Which of the following is NOT a part of the phosphorus cycle?

Back

Atmospheric phosphate.

Front

What is the primary role of nitrogen-fixing bacteria in the nitrogen cycle?

Back

They convert atmospheric nitrogen into ammonia.

Front

What is the significance of the nitrogen cycle for ecosystems?

Back

It provides essential nutrients for plant growth.

Front

How do plants absorb phosphorus?

Back

Through their roots from the soil.

Front

What is the main source of phosphorus in the environment?

Back

Sedimentary rocks.

Front

What is eutrophication?

Back

The process where water bodies become overly enriched with nutrients, leading to excessive growth of algae.