The Interdependence Of Life Question Preview (ID: 12381)


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Which of the following is an abiotic factor of an ecosystem?
a) weeds
b) a rabbit
c) soil
d) a snake

What are the parts or processes that can describe an ecosystem?
a) chemical changes and flow of energy
b) chemical changes and flow of water
c) physical changes and flow of energy
d) physical changes and flow of water

How are organisms grouped in an ecosystem?
a) by their movement
b) by how they get their energy
c) by how they migrate
d) by how they produce

In which category are earthworms, bacteria, and fungi?
a) primary consumers
b) secondary consumers
c) final consumers
d) producers

According to the food pyramid which level has the greatest amount of energy?
a) primary consumers
b) primary producers
c) secondary consumers
d) tertiary consumers

What change would most likely increase the competition for food among a chipmunk population in an ecosystem?
a) A rare epidemic among the chipmunks.
b) An increase in the number of chipmunks killed by falling out of trees.
c) An increase in the number of hawks that prey on chipmunks
d) A temporary increase in the chipmunk's reproduction rate.

What is carrying capacity of an ecosystem?
a) The minimum number of individuals of a population able to live in an environment
b) The maximum number of individuals of a population able to live in an environment.
c) The minimum number of groups able to live in an environment.
d) The maximum number of groups able to live in an environment.

What would be limiting factors in an ecosystem?
a) population and nutrients
b) population and space
c) nutrients and space
d) nutrients and population

Which relationship between the two species listed below would be mutually beneficial?
a) a plant leaf and a caterpillar
b) a flowering plant and a bee
c) a fish and a leech
d) a dog and a tick

Which organism would most likely be found at the top of a food pyramid?
a) shrimp
b) barracuda
c) kelp
d) clams

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