KEY
Worksheet:
Topic # 3035
Natural Selection
By Jonathan Edgerly
The following questions are from the powerpoint presentation on Darwin’s theories and
Natural Selection given earlier.
1) How many parts does Darwin’s theory have? Explain them.
4 parts) Organisms are constantly changing
All animals were derived from common ancestors.
Change is gradual and slow.
The mechanism of evolution is Natural Selection
2) In order for natural selection to take place, a trait must be Heritable? Explain
why.
A trait must be able to be passed from parent to offspring in order
for a positive trait to continue and prosper and a negative trait to
be lost.
3) Explain the change in dominant moth color in England during the Industrial
Revolution discussed in class in your own words.
This answer will be different for everyone. Look for main points
discussed in class and on powerpoint presentation.
4) Give a mock situation where a species of organisms would benefit from
Natural Selection?
This answer will be different for everyone. Look for 4 basic parts
of Darwin’s theory. Encourage creativity and imaginative
scenarios.