What percentage of the air is made up of nitrogen?, 21%, 78%, 90%, 50%, Nitrogen is important for plants to make:, Glucose, Water, Oxygen gas, Proteins, How can Nitrogen gas be fixed into a usable form for plants?, Through the action of bacteria only, Through lightning only, Through the action of bacteria and lightning, Through evaporation of water, How do animals get the nitrogen they need?, By eating plants or other animals, By drinking water, By breathing air, By absorbing it through the skin, Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere, Producers, Plants, Animals, Bacteria, The continuous movement of nitrogen from air to soil to organisms and back to air or soil is called:, Nitrogen cycle, Water cycle, Oxygen-carbon cycle, Nitrogen must be fixed, or changed into a form that plants can use., True, False, Organisms that play a role in the nitrogen cycle:, only plants, only bacteria, only animals, plants, animals, & bacteria, A correct path that nitrogen could take would be:, Air → Animals → Bacteria → Plants → Soil, Soil → Animals → Bacteria → Water → Air, Air → Bacteria → Plants → Animals → Soil, Water → Bacteria → Sun → Plants → Air, Nitrogen returns to the soil when organisms die and decompose., True, False

The nitrogen cycle

by
Print
Embed

Leaderboard

Visual style

Options

Switch template

Continue editing: ?