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3107589
14.- Natural Selection
Description
https://www.khanacademy.org/science/biology/crash-course-bio-ecology/crash-course-biology-science/v/crash-course-biology-113
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cultura científica 1º bach 1ºtrimestre
3.- evolution
básica media
Quiz by
PEDRO ALVAREZ JIMENEZ
, updated more than 1 year ago
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Created by
PEDRO ALVAREZ JIMENEZ
over 9 years ago
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Resource summary
Question 1
Question
How the Industrial Revolution changed the proportion of colors in peppered moth?
Image:
bb9e99fd-0fee-419d-9d89-1cb3850554fc (image/jpg)
Answer
By changing the color of trunks
By changing the color of moths
Contaminating the environment
Question 2
Question
What is genetic drift?
Image:
0e6c7906-0c7d-4394-87ce-7ff1f0b2e2b2 (image/jpg)
Answer
Guided changes in allele frequency
Random changes in allele frequency
Random changes in gene proportion
Question 3
Question
Why the Darwin´s study of beak finches shape was so important?
Image:
42e411ee-6ef2-4942-bbcf-b09a91bb3d4a (image/jpg)
Answer
It was the first study of Darwin
The study showed how finches had evolved
It was an example of how finches had adapted to different environment
Question 4
Question
What are the 4 main ideas of Darwin Natural Selection Theory?
Image:
5f389a68-6cca-4d3a-b3cd-735964f3ff3e.gif (image/gif)
Answer
Individual variation ,heritable variations, adapted descendants and competition for resources
Individual variation, heritable variations, adapted descendants and reproduction
Individual variation, heritable variations, too many descendants and natural selection
Question 5
Question
Can you explain the concept of “the struggle for existence”?
Image:
a86b6f60-5f07-4518-9a71-679c34697bcb (image/jpg)
Answer
Competition among living things for getting food
Competition for resources needed to live
Competition for reproduction and ensure the survival of the specie
Question 6
Question
According to what Darwin said, is the following sentence true? “Natural selection favors the strongest ones”
Image:
a85272df-09af-4d07-bad5-e4ef58f85df0 (image/jpg)
Answer
True
False
Question 7
Question
Who evolves, individual or population?
Image:
d4249243-ff07-4ba3-9b62-76c58d8e28f1 (image/png)
Answer
Individual
Population
Both
Question 8
Question
Why Darwin was so worry about his family?
Image:
ea33c3b8-c945-42ab-af29-4da3a25d4751.gif (image/gif)
Answer
Because he was very far away from them
Inbreeding resulted in weaker and sickly descendant
Inbreeding resulted in infertility
Question 9
Question
Why giraffe´s neck has been growing throughout the evolution?
Image:
9127db54-513f-410b-a348-acfb58e88c64 (image/jpg)
Answer
Because of natural selection against short necks
Because of natural selection for long necks
Because of natural selection against long necks
Question 10
Question
Smaller babies have more infectious problem and larger babies have problems at labour naturally. This is an example of:
Image:
111459a8-6dfa-4fce-91a4-d1eb43a0d767 (image/png)
Answer
Natural selection for extreme phenotypes
Natural selection against extreme phenotypes
Natural selection against medium phenotypes
Question 11
Question
What's disruptive selection?
Image:
d42931a8-8946-4ea7-ac81-4fb599630fd9 (image/jpg)
Answer
Selection against common traits
Selection for common traits
Selection for extreme traits without any change in the environment
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