Ecology and nutrient cycling

An autotroph

• is a self feeding organism that does photosynthesis

• Is an organism that eats other organisms for energy

• is the name for all bacteria

• is a being that eats meat only

An autotroph does

• Photosynthesis

• Cellular Respiration

Carnivore, omnivore, herbivore, detritivore are all examples of types of

• autotrophs

• heterotrophs

This is the equation for

• cellular respiration

• photosynthesis

• Photosynthesis

• Cellular Respiration

Which 2 sentences are true about carbon dioxide?

• We have a shortage of carbon dioxide

• Carbon dioxide makes life on earth possible

• Carbon dioxide is toxic and bad for you.

• There is too much carbon dioxide due to burning of fossil fuels

Deforestation means

• burning coal

• planting trees

• cutting down trees

• creating solar energy

The reason why deforestation adds to the CO₂ problem is that

• Trees use up CO₂

• Trees release CO₂

• Trees make energy

• Trees create sugar

The burning of fossil fuels equations most closely resembles

• the photosynthesis equation

• the cellular respiration equation

N₂ is

• Nitrogen that plants take up by their roots to grow

• Nitrogen gas found in the atmosphere

• Nitrogen found in living organisms

• ammonia