Unit 1 - Cycles of Matter & Energy Flow

Which of the following is NOT a part of the water cycle

• transpiration

• evaporation

• precipitation

• creation

Which of the following is the evaporation of water from the leaves of plants?

• precipitation

• condensation

• transpiration

• percolation

Which of the following removes carbon from the atmosphere?

• cellular respiration

• burning fossil fuels

• decomposition

• photosynthesis

Which of the following statements is true?

• Matter and energy move in similar ways through ecosystems.

• Matter flows in one direction through trophic levels, while energy is recycled within ecosystems.

• Energy flows in one direction through trophic levels, while matter is recycled within ecosystems.

A consumer that eats plants only is known as a

• carnivore

• omnivore

• herbivore

• decomposer

The process by which atmospheric nitrogen is converted into nitrates, a useable form of nitrogen is known as

• nitrogen fixation

• transpiration

• photosynthesis

• nitrogen usability

___________________ are organisms that conduct nitrogen fixation.

• Crayfish

• Plants

• Slugs

• Bacteria

Most producers are

• chemosynthetic

• photosynthetic

• omnivores

• herbivores

What is the relationship between food chains and food webs?

• a food web is several overlapping food chains

• a food chain is several overlapping food webs

• they are the same thing

What happens to the amount of biomass as trophic levels increase?

• biomass increases

• biomass decreases

• biomass remains the same

• there is no such thing as biomass