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Living Things In Ecosystems
Test Description: Teh concept that all parts of an ecosystem are in some way connected.
Instructions: Answer all questions to get your test result.
1) Species interact with each other in five major ways - predation, competition, parasitism, mutualism, and commensalism.
A
False
B
True
2) Evolution is a type of evolution by natural selection in which 2 or more species evolve in response to each other.
A
False
B
True
3) Examples of biotic facotrs are sunlight , temperture, and water.
A
False
B
True
4) Charles Darwin proposed that organisms become well suited to their environment through evolution by natural selection.
A
True
B
False
5) One major point of Darwin's theory is that all organisms have the ability to produce more offspring that can possibly survive,
A
False
B
True
6) A howler monkey's niche is a rain forest.
A
False
B
True
7) Mutualism is a relationship in which one species benefits and the other is neither harmed nor helped.
A
False
B
True
8) Natural selection describes the unequal survival and reproduction that results from the presence or absence of a particular trait.
A
True
B
False
9) A population is a group of individuals of the same species living in a particular place.
A
False
B
True
10) An ecosystem includes all the different organisms living in a certain area, without their physical environment.
A
False
B
True
*select an answer for all questions
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