C6: Nitrogen and Phosphorus Cycles

T/F: Nitrification is the process of converting ammonia into nitrates

• True

• False

T/F: Since plants cannot directly absorb and assimilate nitrogen, they depend on bacteria to convert compounds into nitrates and ammonia.

• True

• False

The term mutualism describes...

• An association where two organisms harm each other

• A close association where two organisms both benefit

• An association where bacteria harm plants

• An association where bacteria absorb nitrogen from plant structures

Bacteria help legumes store ________, which is needed for ____________.

• Amino acids, Photosynthesis

• Lipids, Cellular Respiration

• Carbohydrates, Cellular Respiration

• Nucleic Acids, Photosynthesis

Denitrification __________ the availability of nitrogen compounds to plants

• Increases

• Reduces

• Absorbs

T/F: Waterlogging increases the availability of oxygen in soil

• True

• False

Carnivorous plants are also known as...

• Heterotrophs

• Autotrophs

• Mixotrophs

• Carnivores

Uses for phosphates include...

• ATP

• DNA and RNA

• Skeletons in vertebrates

• All of the above

T/F: Weathering of rocks allows for phosphates to be released into soil

• True

• False

Phosphates are considered a ___________ resource

• Non-renewable

• Renewable