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Natural Selection & Taxonomy

Total questions: 44

Worksheet time: 29mins

Name
Class
Date
1.

Match the following

a)

the movement of genes into or out of a population

1.

Gene Flow

b)

Random chance; small population

2.

Genetic Drift

c)

A sudden change in one or more characteristics due to a change in a gene

3.

Mutation

d)

The movement of organisms from one place to another

4.

Migration

2.

In a cold environment what are some traits that could increase fitness? Select all that apply.

a)

thick blubber

b)

thick fur

c)

thin fur

d)

wings

3.
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
4.

Which scientist is considered the father of evolution?

a)

Jean-Baptist Lamarck

b)

Hershey and Chase

c)

Charles Darwin

d)

Carleous Linnaeus

5.
All rabbits living in a particular area would be an example of a(n)
a)
population
b)
species
c)
fossil
d)
individual organism
6.

"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of

a)

Natural Selection

b)

Evolution

c)

Selective Breeding

d)

Artificial Selection

7.
The long and sharp beak of a woodpecker is an example of:
a)
Natural Selection
b)
Selective Breeding
8.

Which of the following represents gene flow?

a)

b)

c)

d)

9.
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
10.

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

a)

Natural Selection

b)

Selective Breeding

c)

Homeostasis

d)

Evolution

11.

Mutations are a change in what?

a)

DNA

b)

tRNA

c)

protein

d)

rRNA

12.

What is a trait?

a)

a color

b)

the quality or characteristic of an organism

c)

the DNA of an organism

d)

when mutatuons cause extra limbs.

13.

All the possible gene combinations in a population.

a)

allele

b)

gene pool

c)

genome

d)

mitosis

14.
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
15.

Look at the picture. All of these organisms share an ancient common ancestor. Scientists can prove this because of the similarities in the organisms' body structures. Which term below BEST describes this type of evidence?

a)

vestigial structures

b)

embryology

c)

homologous structures

d)

fossil record

16.

Which rock layer would contain the oldest fossils?

a)

1

b)

2

c)

3

d)

4

17.

Charles Darwin wrote that "organisms with traits that are best suited to their environment will survive and __________ ".

a)

reproduce more often.

b)

become extinct.

c)

never reproduce.

d)

lose all their traits.

18.

Look at this cladogram of mammal evolution. Which species DNA is most similar to the DNA of the toothed whale? 

a)

Hippopotamus 

b)

Baleen Whale

c)

Grazing Mammals

d)

Camels

19.

Two organisms that are closely related would have...

a)

very similar DNA molecules.

b)

the same exact DNA molecules.

c)

no protein molecules in common.

d)

completely different DNA molecules.

20.
The opossum and kangaroo both incubate their young in a pouch. This provides evidence that they---
a)
are descended from a common ancestor
b)
Have very similar skeletal structures
c)
belong to the same species
d)
must range great distances to eat
21.

Based on the diagram, the salamander is most closely related to the:

a)

chimp

b)

perch

c)

pigeon

d)

hagfish

22.

The scientific name of an organism comes from the​ (a)   and ​ (b)   categories.

Choose from the below words
genus
species
family
domain
kingdom
23.

An illustration and a dichotomous key are given. What is the correct classification for the organism in the illustration?

a)

Class Insecta

b)

Order Amblygygi

c)

Order Araneae

d)

Order Scorpiones

24.

Members of this kingdom are eukaryotic, multicellular, heterotrophic, and do NOT have cell walls.

a)

Plantae

b)

Protista

c)

Animalia

d)

Achaebacteria

25.

This organism is multicellular, heterotroph, that has a cell wall made of chitin. What kingdom does it belong to?

a)

fungi

b)

plantae

c)

animalia

d)

eubacteria

26.

Organisms in this taxonomic group would have the most characteristics in common:

a)

Domain

b)

Phylum

c)

Order

d)

Species

27.
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
28.

The more genetic variation a population has, the more likely it is for some individuals to

a)

evolve

b)

migrate

c)

survive

d)

mutate

29.
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
30.
What taxa are in a scientific name?
a)
Genus and Kingdom
b)
Species and Family 
c)
Species and Class
d)
Genus and Species
31.
Things that are classified together ___________.
a)
are not related to each other.
b)
share a similar evolutionary history.
c)
are larger organisms.
d)
have a different evolutionary history
32.

Mountains and now breeds on the Santa Rita Mountains with another established population.

a)

Gene Flow

b)

Genetic Drift

33.

Which of the following could not be a possible cause of the bottleneck effect?

a)

Overhunting of northern elephant seals

b)

A forest fire that destroys most of a population of deer

c)

A crop that is destroyed by blight

d)

A small group of fish that are added to a pond

34.

What is genetic drift?

a)

A population for which the gene frequencies do not change

b)

A change in allele frequencies due to selection

c)

The addition or removal of alleles in a population due to individuals entering or leaving one population for another

d)

A change in the gene pool due to chance

35.

A gene pool consists of (a)   frequencies that can change randomly through generations due to chance.

36.

Match the following

a)

Mutation

1.

Change in DNA sequence

b)

Gene Flow

2.

Increases genetic variation

c)

Genetic Drift

3.

Usually decreases genetic variation

d)

Bottle Neck

4.

Population gets smaller (Natural Disaster)

e)

Founders Effect

5.

Starting a new population

37.

This image is an example of:

a)

genetic drift

b)

gene flow

38.

the selection pressure favors the extreme phenotypes, dividing the population into 2 distinct groups

a)

directional selection

b)

stabilizing selection

c)

disruptive selection

39.

Individuals with intermediate traits are more likely to survive and reproduce

a)

stabilizing selection

b)

directional selection

c)

disruptive selection

40.

A change in a gene pool due to chance.

a)

Genetic drift

b)

gene pool

c)

Founder effect

d)

Bottleneck effect

41.
What type of selection is this?
a)
Directional Selection
b)
Stabilizing Selection
c)
Disruptive Selection
d)
Natural Selection
42.

Scientists have discovered the specific mutation that famously turned moths black during the Industrial Revolution. In an iconic evolutionary case study, a black form of the peppered moth rapidly took over in industrial parts of the UK during the 1800s, as soot blackened the tree trunks and walls of its habitat.

a)

Stabilizing Selection

b)

Directional Selection

c)

Disruptive Selection

43.

Bacteria that are too large cannot obtain nutrients efficiently and bacteria that are too small cannot compete for those nutrients successfully

a)

directional selection

b)

stabilizing selection

c)

disruptive selection

44.

Robins typically lay fours eggs. If more then four eggs are produced then the baby chicks are malnourished while smaller egg numbers result in no viable (able to live) baby chicks. This is an example of

a)

stabilizing

b)

disruptive

c)

direction

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