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Explore/Natural Selection

What happens to an organism's genes when it reproduces?

What two environmental changes can cause old adaptations to become less useful?

Natural Selection

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Questions 10

Answers

1
What two environmental changes can cause old adaptations to become less useful?
drought or climate change
heat and cold
nothing
rain and snow
2
What happens to an organism's genes when it reproduces?
Nothing happens to them.
They are lost.
They are passed to offspring.
They are found.
3
The colorful petals of a flower benefit a plant by...
killing the insect
attracting pollinators
they are useless
camouflage the insect
4
What is the best definition for natural selection?
Process in which water is recycles throughout the atmosphere
Process in which organisms adapt, survive, and reproduce.
Process where light is used to make chemical energy.
Process that releases trapped carbon.
5
What does a population have to contain before natural selection can occur?
Diversity of genetic traits.
Old organisms
New organisms
Uniformity of genetic traits.
6
What happens to a species that can not adapt?
adaptation
extinction
survival of the fittest
more are born
7
Why is it that ecosystems can only support a limited number of organisms?
They have unlimited resources.
There is only a limited amount of resources.
There is too much rainfall.
There is never enough rainfall.
8
What do we call all the members of a species?
organism
community
population
ecosystem
9
What was the name of the scientist that developed the Theory of Natural Selection?
Dr. Spoke
Charles Drew
Charles Darwin
Albert Einstein
10
What characteristic might help a plant species survive in an area with limited sunlight?
no leaves
small leaves
large leaves
compound leaves