1
If all the plants were removed from a food web, what would happen to the insects?
a. they would die
b. their population would increase
c. their population would stay the same
a. they would die
What two things do producers provide to ecosystems?
a. carbon dioxide and water
b. oxygen and energy
c. nutrients and water
d. water and energy
b. oxygen and energy
What type of consumers only eat plants?
herbivores
What type of consumers only eat meat?
carnivores
What needs to be the largest part of a food chain?
producers
Which is NOT an example of a producer?
a. rosebush
b. grass
c. grasshopper
d. water lily
c. grasshopper
What type of consumers eat both plants and animals?
omnivores
Which of the following is NOT an example of a decomposer?
a. mushroom
b. bacteria
c. beetle
d. earthworm
c. beetle
What is the name for an organism that hunts other organisms for food?
predator
What type of organisms get their energy from dead plants and animals?
decomposers
If decomposers were removed from an ecosystem, what would happen to producers?
a. they would die
b. they would have to move to a new location
c. their population would increase
d. there would be no change in their population
a. they would die
If there was no Sun, what would happen to producers?
They would die.
In what type of environment do decomposer work faster in?
a. cold and dry
b. warm and dry
c. cold and wet
d. warm and wet
d. warm and wet
______ show the flow of energy from one organism to another.
Food chains
Animals that eat producers are _____ consumers.
a. primary
b. secondary
c. tertiary
a. primary
Animals that eat herbivores are ______ consumers.
a. primary
b. secondary
c. tertiary
b. secondary
What is the process called that plants use to make their own food?
Ecosystems MUST have more ______ than _______.
a. animals than plants
b. consumers than producers
c. decomposers than consumers
d. producers than consumers
d. producers than consumers
Decomposers put _____ back into the soil.
nutrients
living things
A _______ relationship means they depend on each other for survival.
symbiotic
Abiotic means ________.
nonliving things
What are the three types of consumers?
herbivores, carnivores, and omnivores
What is another name for producers?
plants
What is the name given to multiple food chains woven together?
food web