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Evolution practice part 1

Total questions: 30

Worksheet time: 25mins

Name
Class
Date
1.

What word describes a trait that helps an organism survive in its environment?

a)

natural selection

b)

mutation

c)

camouflage

d)

adaptation

2.

How do you "win" at natural selection?

a)

survive

b)

go extinct

c)

survive & reproduce

3.
Which organisms are most likely to survive?
a)
the best adapted
b)
the fastest
c)
the strongest
d)
the most domesticated (tamed)
4.
The trees these moths used to live on were white, but have been covered in soot from coal factories. 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
5.
These moths are all the same species. The differences between their wings is an example of ________________
a)
Natural Selection
b)
Variation
c)
Homeostasis
d)
Extinction
6.
Evolution works by 
a)
individuals changing to suit their environment
b)
Individuals learned new traits and pass them on
c)
sudden change in the environment cause a species change 
d)
small changes pass down through many generations
7.

Charles Darwin observed that finches of different species on the Galápagos Islands have many similar physical characteristics, this supports the hypothesis that these finches

a)

are twins

b)

acquired traits through use and disuse.

c)

all eat the same type of food.

d)

descended from a common ancestor.

8.
Mutations are important because they bring about
a)
death of the organism in which they develop
b)
genetic variation needed for a population to evolve
c)
benefits for the individual, not for the population
d)
Hardey-Weinberg equilibrium within a population
9.
What is another name for natural selection?
a)
survival of the smartest
b)
survival of the fastest
c)
survival of the biggest
d)
survival of the fittest
10.
Bird's beaks evolve mainly due to the type of ___________________ available.
a)
food
b)
water
c)
shrubs
d)
mates
11.
If an organism can't adapt fast enough, this might happen.
a)
hibernate
b)
stay the same
c)
live longer
d)
become extinct
12.

Adaptations can be:

a)

camouflage

b)

ability to survive cold weather

c)

hunting skills

d)

all of the above

13.
Where the better adapted organisms survive to pass traits along to offspring.
a)
Evolution
b)
Natural Selection
c)
Extinction
d)
Artifical Selection
14.
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.
15.

Change in a population over time that descend from a common ancestor.

a)

Natural Selection

b)

Selective Breeding

c)

Homeostasis

d)

Evolution

16.

Natural selection results in change in a population's _____________ traits over time.

a)

inherited

b)

acquired

17.

Two populations of the same species are separated by land barriers like rivers or mountains.

a)

geographical isolation

b)

temporal isolation

c)

adaptive ratiation

d)

behavioral isolaton

18.

Two populations of the same species do not have the same mating rituals or signals.

a)

geographical isolation

b)

temporal isolation

c)

adaptive ratiation

d)

behavioral isolaton

19.

Organisms of the same species can no longer interbreed therefore creating two species.

a)

Gene Pool

b)

Genetic Drift

c)

Gene Frequency

d)

Speciation

20.

What two parts of the classification system are used for the naming of organisms?

a)

Domain and Kingdom

b)

Genus and Species

c)

Class and Family

d)

Kingdom and Phylum

21.

A population of finches that have 3 different beaks live on an island. Each beak type is adapted to one of 3 specific food sources. Two of the three food sources are eliminated during a hurricane. What will happen to the finch population?

a)

The food source will adapt to the remaining finches

b)

All 3 finches adapt to the remaining food source

c)

All 3 finches will die

d)

The finch that is adapted to the remaining food source will survive

22.

True or False: An individual organism's genotype can be changed within its lifetime in response to its environment.

a)

True

b)

False

23.

How do mutations contribute to evolution?

a)

They bring on the death of the organism in which they develop

b)

They bring on benefits for the individual, not for the population

c)

They bring on genetic variation needed for a population to evolve

d)

They bring on Hardy-Weinberg equilibrium within a population

24.

The variety of genes and alleles that exist in organisms

a)

independent assortment

b)

chromosomal abnormalities

c)

genetic diversity

d)

mutations

25.
Differences that exist naturally among members of a population or species___?
a)
mutation
b)
adaptation
c)
variations
d)
evolution
26.
Almost all populations have some variation.
a)
true
b)
false
27.

Which is a group of organisms with similar characteristics and are able to interbreed to produce offspring

a)

Variation

b)

Species

c)

Fitness

d)

Gene

28.

The probability of an organism surviving and reproducing

a)

Variation

b)

Species

c)

Fitness

d)

Gene

29.

Differences in DNA between individuals or populations

a)

Environmental Variation

b)

Genetic Variation

c)

Adaptive Feature

d)

Genetic Engineering

30.

Differences in DNA as a result of environmental factors

a)

Environmental Variation

b)

Genetic Variation

c)

Adaptive Feature

d)

Genetic Engineering

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