Environmental Science Concepts

Front

Which of the following add carbon dioxide to the atmosphere?

Back

Volcanoes, combustion of fossil fuels, animal and plant respiration

Front

Features of environment that are alive or were once alive

Back

biotic

Front

Why do all organisms need nitrogen?

Back

To live and grow 

Front

How is nitrogen "fixed" into a usable form for plants?

Back

Through action of bacteria & lightning

Front

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

Back

Atmosphere

Front

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

Back

higher levels of carbon dioxide and other greenhouse gases in the atmosphere

Front

Relationship between plants and animals in the carbon cycle?

Back

Plants produce and release oxygen that animals need

Front

How do animals get nitrogen?

Back

eating other organisms

Front

What is another name for evaporation of water through the leaves of plants?

Back

Transpiration

Front

Rain, sleet, snow, and hail are all forms of _____

Back

Precipitation