Which level of organization includes more "things"?
a. individual
b. community
c. biosphere
c. biosphere
Which type of consumer eats only meat?
a. carnivore
b. herbivore
c. omnivore
a. carnivore
Which relationship is described when a lion stalks, kills, and feeds on zebras?
a. mutualism
b. predator-prey
c. competition
b. predator-prey
Which organism has the LEAST amount of energy in an ecosystem?
a. producer
b. primary consumer
c. tertiary consumer
c. tertiary consumer
How does carbon get removed from the atmosphere?
a. decomposition
b. respiration
c. photosynthesis
c. photosynthesis
What term describes all of the abiotic and biotic factors interacting in an area?
a. population
b. community
c. ecosystem
c. ecosystem
Which type of consumer eats plants and animals?
a. carnivore
b. herbivore
c. omnivore
c. omnivore
Which relationship is described when barnacles attach to whales for free transportation? (The whales are not affected)
a. mutualism
b. commensalism
c. parasitism
b. commensalism
How much energy is transferred to organisms at the next level in a food chain/energy pyramid?
a. 1%
b. 10%
c. 100%
b. 10%
The burning of fossil fuels is called combustion. How does this impact the atmosphere?
a. It ADDS carbon to the atmosphere
b. It REMOVES carbon from the atmosphere
c. It has no effect on the atmosphere
a. It ADDS carbon to the atmosphere
Which of the following is the ONLY biotic factor?
a. Temperature
b. Predators
c. Water
d. Sunlight
b. Predators
Which type of consumer eats only plants?
a. carnivore
b. herbivore
c. omnivore
b. herbivore
Which relationship is described by lions and hyenas BOTH eating zebras?
a. mutualism
b. parasitism
c. competition
c. competition
In a food chain, there is grass, which is eaten by a rabbit. The rabbit gets eaten by the fox. What terms describes the fox?
a. deocmposer
b. producer
c. secondary consumer
c. secondary consumer
When an organism dies, the matter that was inside of it gets put into the ground AND into the atmosphere by which organism?
a. producer
b. consumer
c. decomposer
c. decomposer
Which of the following is an abiotic factor?
a. Sunlight
b. Producer
c. Bacteria
a. Sunlight
Which organism breaks down dead plants and animals?
a. carnivore
b. decomposer
c. omnivore
b. decomposer
Which relationship is described by a mosquito sucking the blood of its host?
a. mutualism
b. commensalism
c. parasitism
c. parasitism
Name an herbivore from the food web.

grasshopper, mouse, rabbit
What TWO things can humans do to reduce the amount of carbon in the atmosphere?
a. plant more trees
b. capture the gases released during respiration
c. burn fewer fossil fuels
a. plant more trees & c. burn fewer fossil fuels
Which TWO of the following are ABIOTIC factors that affect the rate of photosynthesis?
a. light
b. pollinators
c. water
d. oxygen
a. light & c. water
Ecosystems RELY ON what type of organism to supply energy to the rest of the ecosystem?
a. producer
b. consumer
c. decomposer
c. decomposer
Which relationship is described by the clownfish and the sea anenome? The clownfish gets a safe home and the anemone gets cleaned!
a. mutualism
b. commensalism
c. parasitism
a. mutualism
What would happen to the rabbit if there was a drought that killed all of the grass?

The rabbit population would decrease (and eventually die out) if it didn't move to a new area.
What happens to the amount of carbon as it goes through the carbon cycle?
a. it stays the same
b. it increases
c. it decreases
a. it stays the same