ch 2-3

The ozone layer is found in the ___.

• hydrosphere

• troposphere

• stratosphere

• biosphere

Which classification gets energy from decomposition of dead organisms?

• Herbivore

• Carnivore

• Omnivore

• Detritivore

What is the only process that removes carbon from the atmosphere?

• combustion

• photosynthesis

• cellular respiration

• decomposition

The ___ consists of Earth's core, mantle, and thin outer crust.

• atmosphere

• biosphere

• hydrosphere

• geosphere

In the ___ trees emit oxygen and animals consume oxygen.

• biosphere

• geosphere

• atmosphere

• hydrosphere

Rabbits eating grass are categorized as which trophic level?

• secondary consumer

• producer

• primary consumer

• top predator

A group of individuals of the same species living in a particular place.

• community

• population

• organism

• ecosystem

With each transfer of energy from one trophic level to the next, about _____ of the energy is lost

• 10%

• 30%

• 60%

• 90%

Nitrogen exists in the atmosphere in the form of ___.

• NH4+

• NO3–

• N2

• NO2

Which of the following is true about the APEX predator?

• It has common predators

• it is a primary consumer

• It is near the top of the food chain

• its diet is mainly other consumers and not producers