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T5L1/2/3: Evolution by Natural Selection

Total questions: 29

Worksheet time: 17mins

Name
Class
Date
1.
Which statement is true?
a)
Natural selection always favors new mutations
b)
Darwin theorized that humans evolved from apes and/or monkeys
c)
Evolution explains how life began
d)
Natural selection can be observed happening today
2.
What did Darwin observe that lead him to theorize about evolution?
a)
There is a common ancestor for all of life.
b)
Acquired traits could be passed down to offspring
c)
Better adapted traits helped survival and were passed down to offspring
d)
A species can become bigger or smaller on its own to survive if needed
3.

The vegetables pictured in the image detail the process of farmers choosing which plants to breed to produce the next generation of crops. What is the term for this process?

a)
natural selection
b)
evolution
c)
artificial selection
d)
planting
4.
Which is the most likely reason why it is not common to find an albino snake in the wild?
a)
Albinos have less offspring than other snakes
b)
Albinos are weaker than other snakes
c)
Albinos are more visible to predators/prey
d)
Albinos are smaller than other snakes
5.
Based on the diagram below, which statement best explains Natural Selection?
a)
Green beetles turned shells color to orange to better blend in by generation 3
b)
Crows (predators) will need to migrate due to less green beetles
c)
Orange changed to their food source and started to eat the green beetles
d)
Green beetles were eaten and over time only orange beetles survived to reproduce
6.
The following image shows a mammoth. Which trait most suggests that the mammoth was adapted to live in a cold climate?
a)
Thick furry coat
b)
Long curled tusks
c)
Broad powerful body
d)
Long flexible trunk
7.
The image below shows natural differences that occur in salamanders. What does this represent?
a)
overproduction
b)
adaptations
c)
variations
d)
selection
8.
This image of the fish (laying 1000s of eggs) is demonstrating which part of Natural selection?
a)
overproduction
b)
adaptations
c)
variations
d)
selection
9.
Where is Charles Darwin famous for stopping at on his voyage around the world?
a)
Hawaiian Island
b)
Galapagos Islands
c)
Indonesian Islands
d)
Fiji Islands
10.
Identify the evidence of overproduction
a)
There are more grey mice in generation 3 than 1
b)
There are more mice than the environment can support
c)
There are more tan mice than gray mice in Generation 1
d)
There is only one hawk in this environment who is a carnivore
11.
Identify the evidence of variation
a)
There are A LOT of animals in this environment
b)
There are tan and grey mice
c)
The hawk is the apex predator
d)
The hawk is a low-flying bird with high speed
12.
Identify the evidence of adaptation.
a)
Grey and tan mice compete for the environment so tan mice change to grey to blend in
b)
The hawk is the tertiary consumer so it has more energy to give to the tan mice
c)
Grey mice survive to reproduce, passing on DNA which becomes common trait
d)
Mice have a lot of babies with differences in DNA code ~ grey and tan mice
13.

Match the individual with his/her contributing idea supporting evolution

a)

Carolus Linnaeus

1.

Taxonomy (grouping organisms- by traits)

b)

Thomas Malthus

2.

Population Growth (survival rates)

c)

Charles Lyell

3.

Age of Earth (rocks identify changes)

d)

Mary Anning

4.

Fossils (found dinosaur structures)

14.

Darwin concluded that the finch species were all related to a single common ancestor species that came from the mainland.

Over time, what caused different finches to develop different beak shapes and sizes?

a)

Predators that were avoided

b)

Climate lived in

c)

Food eaten

d)

Mates

15.

The Theory of Evolution was proposed by what scientist?

a)

Charles Darwin

b)

Albert Einstein

c)

Steven Hawking

d)

Isaac Newton

16.
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.
17.
Which best describes the role of mutations in natural selection?
a)
Mutations help an organism to better survive in their environment
b)
An organism may acquire a helpful mutation by interacting with the environment
c)
A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce
d)
Organisms with certain traits are more likely to win competitions for mutations
18.
Evolution means...
a)
Change over time in a population.
b)
That everything is the same.
c)
That organisms never change.
d)
Negative traits are acquired in populations.
19.

Remains of ancient organisms are called:

a)

Extinctions

b)

Fossils

c)

Mutations

d)

Variations

20.

Which phrase best explains MACROEVOLUTION?

a)

Changes in a population over time

b)

Changes within a few generations

c)

Natural Selection

d)

Changes over a long time in different species

21.

Which phrase best explains MICROEVOLUTION?

a)

Adaptations in traits across generations due to ability to survive

b)

Appearance of mammals in geological time

c)

Common Ancestor

d)

Millions of years of change

22.

Lamarck proposed that giraffes could stretch their necks to reach food and pass that on to offspring.

Why was this idea DISPROVEN by evolution?

a)

Only acquired traits are passed to offspring

b)

DNA is based on inherited traits

c)

There were not enough giraffes in the study

d)

Only some of the offsprings' necks were able to stretch

23.

According to Natural Selection, what would have to change for there to be more tan mice?

a)

Tan mice would change their fur to brown

b)

Tan mice would overpopulate forcing brown mice to migrate

c)

Tan mice would learn how to hide from their predator

d)

Climate change makes this environment a desert (tan environs)

24.

Name of the ship that Darwin sailed on his trip around the world.

a)

Pinta

b)

HMS Poodle

c)

HMS Beagle

d)

Santa Maria

25.
According to Darwin’s theory of natural selection, the individuals that tend to survive are those that have
a)
characteristics their parents acquired by use and disuse.
b)
the greatest number of offspring.
c)
characteristics that plant and animal breeders value.
d)
variations best suited to the environment.
26.

Which term defines an introduction of a new gene variation into a population? (see image)

a)

Gene Flow

b)

Genetic Drift

c)

Natural Selection

d)

Sexual Selection

27.

Which term defines random change in the frequency of a gene variation in a population due to external factors? (see image)

a)

Gene Flow

b)

Genetic Drift

c)

Natural Selection

d)

Sexual Selection

28.

Which term defines change in DNA which may lead to a gene variation? (see image)

a)

Gene Flow

b)

Genetic Drift

c)

Natural Selection

d)

Mutation

29.

What term defines male competition or strategies for attraction which may determine which traits become more prevalent in a population?

a)

Gene Female Frequency

b)

Male Genetic Drift

c)

Natural Selection

d)

Sexual Selection

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