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Natural Selection

Total questions: 18

Worksheet time: 12mins

Name
Class
Date
1.
Which is not an example of an adaptation?
a)
A bird's beak allows it to crack open hard nuts.
b)
A zebra's stripes allow it to confuse its predators.
c)
A frog's large hind legs allow it to jump from danger.
d)
A cat sleeps on the sofa to avoid the vacuum cleaner.
2.
Which of the following is a term for a group of similar organisms that can reproduce fertile offspring?
a)
individual
b)
population
c)
species
d)
fossil
3.
What is it called when better adapted organisms survive to pass traits along to their offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
4.
"Survival of the Fittest" describes which theory
a)
a) natural selection
b)
b) gravity
c)
c) heredity
d)
d) string theory
5.
Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?
a)
Light moths were easy to see against sooty trees and were eaten
b)
Light moths were killed by soot
c)
The birds that ate the dark moths were killed by soot
d)
Dark moths were produced by industrial processes
6.
The example of the peppered (brown) moths living near English industrial cities demonstrates that
a)
A change in an environment can result in the evolution of species living there
b)
Evolution occurs so slowly that is it not possible to determine that it has happened in less than a million years
c)
The environment near these cities has always favored dark colored moths
7.
Why are advantageous traits more likely to be passed onto offspring?
a)
Because they are more likely to survive and reproduce.
b)
Because they come from dominant alleles.
c)
Because they come from recessive alleles.
d)
Because the trait is an acquired phenotype.
8.
When every organism of a given species has died
a)
Natural Selection
b)
Homeostasis
c)
Extinction
d)
Selective Breeding
9.
Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. Which moth will be more successful in this environment?
a)
Dark moth
b)
Light moth
c)
Both will be equally successful
d)
Neither will be successful
10.

In a cold environment what would be some adaptive traits? Sellect all that apply.

a)

thick blubber

b)

thick fur

c)

thin fur

d)

strong muscles

11.

What is a mutation?

a)

When animals have extra legs

b)

When a frog has 3 eyes

c)

When genes or DNA have been alterd or changed

d)

When RNA is upside down

12.

Can mutations be passed down to offspring?

a)

Yes

b)

No

13.

Why are some traits more common in some populations?

a)

It is random

b)

organims choose their traits

c)

common traits are ussualy adaptive and help organisms survive and reproduce

d)

organisms traits change all the time

14.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Charles Darwin
b)
Albert Einstein
c)
Steven Hawking
d)
Isaac Newton
15.
Almost all adaptations started off as?
a)
selective breeding
b)
physiological
c)
structural
d)
mutation
16.
Why is the mouse population changing over time?
a)
The light mice can reproduce more successfully than the dark mice
b)
The hawks eat more dark mice than light mice because the dark mice taste better
c)
The hawks eat more light mice than dark mice because they can see the light mice more easily
d)
The hawks eat more dark mice than light mice because they can see the dark mice more easily
17.

Where do adaptations come from?

a)

The individual organism decides to adapt

b)

Mutations that give an organism an advantage in its environment

c)

Genetic recombination during meiosis

d)

Both mutations and genetic recombination are sources of adaptation

18.
Domesticated dogs are an example of:
a)
Natural Selection
b)
Selective Breeding

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