BIOGEOCHEMICAL CYCLES

Front

What is the process of plants losing water through their leaves called?

Back

Transpiration

Front

Why do living things need nitrogen?

Back

To make proteins AND amino acids

Front

What is the largest reservoir for water on Earth?

Back

The ocean

Front

Which nutrient is released from the weathering of rocks?

Back

Phosphorus

Front

What happens to dissolved oxygen levels during eutrophication?

Back

They decrease because bacteria use it as they decompose organic material.

Front

What is a biogeochemical cycle?

Back

A natural process that recycles nutrients in various chemical forms from the environment to organisms and back to the environment.

Front

Name the four main biogeochemical cycles.

Back

Water cycle, carbon cycle, nitrogen cycle, phosphorus cycle.

Front

What role do decomposers play in biogeochemical cycles?

Back

They break down dead organic matter, returning nutrients to the soil.

Front

How does the carbon cycle impact climate change?

Back

Increased carbon dioxide from human activities enhances the greenhouse effect, leading to global warming.

Front

What is eutrophication?

Back

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