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100
Which of the following is an example of abiotic? a. fungus b. tree c. sun d. fly
What is sun
100
The living things in an environment are called ____ factors.
Biotic
100
All of the living and nonliving things interacting in an environment make up an ____.
ecosystem
100
All the members of a species within an ecosystem form a ____.
community
100
The nonliving things in an environment are called ____ factors.
abiotic
200
At the base of each food chain are _____.
Producers
200
This process uses the sun's energy to make sugar and oxygen.
Photosynthesis
200
Organisms in an ecosystem that break down dead or decaying plants and animals are called ____.
Decomposers
200
Organisms that are eaten by other animals are called ____.
Prey
200
The greatest number of individuals within a population that an ecosystem can support is called _____.
carrying capacity
300
Which of the following would be considered a limiting factor in the desert? a. wind b. space c. water d. sand
c. water
300
A diagram that shows the energy that is available at each level of an ecosystem is called ___.
energy pyramid
300
The struggle for resources among organisms in an ecosystem is called ____.
competition
300
Any resource that restricts the growth of populations in an ecosystem is called ___.
limiting factor
300
A specific role that an organism plays within a community is that organism's ___.
Niche
400
All living things in an environment are grouped together to form a ____.
Community
400
Animals that eat both plants and animals are called ____.
Omnivores
400
A relationship in which one organism lives in or on another organism and benefits from that relationship while the host organism is harmed by it.
Parasitism.
400
A characteristic that helps an organism to survive in its environment is called ___.
adaptation
400
An adaptation in which an animal is protected against predators by its resemblance to another, unpleasant animal is called ____.
mimicry
500
White arctic hares blending in with the white snow in their environment is an example of which type of camouflage?
protective coloration
500
When a walking stick resembles a stick it is using protective ___.
Resemblance
500
About how much energy moves from one level of an energy pyramid to the next highest level?
10%
500
The path that energy and nutrients follow in an ecosystem is called ___.
Food Chain
500
A lichen is two different organisms that live together. These two organisms are ____
algae and fungi
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