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evolution QCE

Total questions: 52

Worksheet time: 31mins

Name
Class
Date
1.

How do you classify the following genotype : AA

a)

Homozygous Dominant

b)

Homozygous Recessive

c)

Heterozygous

2.

How do you classify the following genotype : Mm

a)

Homozygous Dominant

b)

Homozygous Recessive

c)

Heterozygous

3.

The two types of alleles are (select two)

a)

dominant

b)

doughnut

c)

expressive

d)

recessive

4.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
5.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
6.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
7.
Choose which scientist corresponds best with the statement: 
survival of the fittest
a)
Darwin 
b)
Lamarck
8.
What do we call change over time?
a)
Evolution
b)
Natural Selection
c)
Natural Variation
d)
Speciation
9.

Charles Darwin and Alfred Wallace came up with this theory

a)

Natural Selection

b)

Mutation

c)

Acquired Characteristcs

d)

Principle of Common Descent

10.

Evolutionary change on a small scale

a)

macroevolution

b)

microevolution

c)

coevolution

d)

parallel evolution

11.

Evolutionary change on a large scale; Principle of common descent

a)

macroevolution

b)

microevolution

c)

coevolution

d)

parallel evolution

12.

Natural selection is known as

a)

family descent

b)

survival of the fittest

c)

convergent evolution

d)

divergent evolution

13.

Process by which unrelated organisms develop similarities due to living in similar environments

a)

family descent

b)

survival of the fittest

c)

convergent evolution

d)

divergent evolution

14.

Process by which closely related organisms develop differences due to living in different environments

a)

family descent

b)

survival of the fittest

c)

convergent evolution

d)

divergent evolution

15.

How long does it take new species to form on Earth?

a)

The time required varies considerably.

b)

millions of years

c)

Speciation no longer takes place on Earth.

16.

Why are the large finches now living on the Galápagos Islands different from the original source population from a nearby island?  

a)

                   Natural selection favored individuals that were more fit in the new environment.                                  

b)

Genetic drift occurred in the two populations.  

c)

The separation of habitats reduced gene flow between the populations.

d)

All three answers are correct.

17.

The last ice age produced many different species mainly because populations dispersed and colonized new habitats.

a)

True

b)

False

18.

What is the most important factor that holds a gene pool of a species together and prevents speciation?

a)

gene flow

b)

behavioral isolation

c)

sexual isolation

d)

prezygotic barriers

19.
Which species’ DNA is most similar to the DNA of the toothed whale? 
a)
Hippopotamus 
b)
Baleen Whale
c)
Grazing Mammals
d)
Camels
20.

The success of an organism in passing on its genes is the definition of

a)

Adaptation

b)

Evolution

c)

Fitness

d)

Speciation

21.

Streamlined body in shark and dolphin is an example for

a)

Convergent evolution

b)

Coevolution

c)

Divergent evolution

d)

Predation

22.

Industrial melanism in moth exhibit

a)

Sexual selection

b)

Disruptive selection

c)

Stabilising selection

d)

Directional selection

23.

Genetic drift operates only in

a)

Larger populations

b)

Smaller populations

c)

Mendelian population

d)

Isolated population

24.

Geographic distribution can be affected mainly by

a)

Migration

b)

Reproduction

c)

Resources

d)

All of the above

25.
A mutation is?
a)
Any change in DNA
b)
Any change in RNA
c)
Any change in the genetic code
26.
Mutations affect the ________ of a protein. Because of this the proteins ______ is affected as well. 
a)
gene, function 
b)
sequence, gene
c)
shape,function
27.
A virus killed most of the seals in the North Sea (e.g. dropped the population from    8000 to 800).  In an effort to help preserve the species, scientists caught 20 of the   remaining seals and used them to start a new population in the northwest Pacific   Ocean.  Which of the following statements would accurately describe the new   population?  
a)
The new seal population is genetically less diverse than the original population 
b)
The new seal population is genetically more diverse than the original population
c)
There is equal genetic variety compared  to the original population 
d)
None of the answers
28.
Happens only in small populations, and is the change in the frequency of a gene variant (allele) in a population due to random sampling of organisms.
a)
Extinction
b)
Genetic Drift
c)
Bottleneck Effect
d)
Founder Effect
29.
This mechanism of evolution occurs when populations migrate.
a)
Extinction
b)
Gene flow
c)
Genetic drift
d)
Natural Selection
30.

Images of the embryo and adult stages of three different organisms are shown.


Which of the following is the best conclusion that can be drawn from this evidence?

a)

Having similar embryos indicates that these organisms eat the same types of food.

b)

Having similar embryos indicates that these organisms live in a similar environment.

c)

Having similar embryos indicates that these organisms share a recent common ancestor.

d)

Having similar embryos indicates that a certain protein controls how many legs the adult organisms will have.

31.
According to the law of superposition, the oldest fossils are found 
a)
At the top of the rock layers
b)
Near the bottom of the rock layers
c)
In the middle of the rock layers
d)
Somewhat near the surface
32.

If a new trait DOES help an organism survive, what may happen to it?

a)

It dies and its DNA is not passed on

b)

It survives and its DNA is passed on

c)

It changes its traits to adapt and survive

33.

A change in a DNA sequence that affects genetic information

a)

mutation

b)

fitness

c)

transformation

34.

If scientists were to compare the fossil of a fern that lived millions of years ago with other fern fossils that were formed later, what would they most likely find?

a)

that plants had bones millions of years ago

b)

that plants change over time

c)

that ferns stopped evolving 25 million years ago

d)

that only animals evolve

35.
The term for the formation of new and distinct species over the course of evolution is...
a)
speciation
b)
biological species concept
c)
reproductive barrier
d)
natural selection
36.

The emergence of new rivers or streams is a type of ____________ isolation.

a)

Temporal

b)

Mechanical

c)

Behavioral

d)

Geographic

37.

Occurs when a catastrophic event changes the environment suddenly.

a)

Gradual extinction

b)

Mass extinction

38.

A number of different species arise from one common ancestor.

a)

Adaptive Radiation (aka, Divergent Evolution)

b)

Gradualism

c)

Coevolution

d)

Speciation

39.

Why are similar fossils found all over the world?

a)

The animals swam to new parts of the world before going extinct

b)

The land masses were once connected

c)

The organisms were transported to different areas of the world

d)

They are not similar fossils.

40.

How do transitional species help show evolution has occurred?

a)

They show the changes that occurred over time

b)

They show that an organism still lives today

c)

They show how an organism died

d)

They show an organism that was poorly adapted to its environment

41.
The amount of time required for half of a radioactive isotope to decay
a)
Half-Life
b)
Radioactive Decay
c)
Paleozoic
d)
Cambrian Explosion
42.

Earth formed 4.5 billion years ago, but life did not show until around...

a)

3.5 billion years ago

b)

1 million years ago

c)

200,000 years ago

d)

4.2 billion years ago

43.

Miller & Urey and other scientists have shown that:

a)

Life on early Earth required material from space

b)

Cells survived in the primitive atmosphere

c)

Amino acids could be produced from inorganic molecules

d)

Simple cells can be produced in a laboratory

44.
There have been _____ mass extinction events in Earth's history.
a)
3
b)
4
c)
5
d)
2
45.
Which portion of the timeline is known as the "Age of Dinosaurs"?
a)
Precambrian Time
b)
Paleozoic Era
c)
Mesozoic Era
d)
Cenozoic Era
46.
Place the following in order starting with the OLDEST
1  Paleozoic
2  Cenozoic
3  Precambrian
4  Mesozoic
a)
1 3 2 4 
b)
3 1 4 2
c)
4 3 2 1 
d)
2 3 1 4
47.
Which portion of the timeline is known as the "Age of Mammals"?
a)
Precambrian Time
b)
Paleozoic Era
c)
Mesozoic Era
d)
Cenozoic Era
48.

A flash flood carried a raft of Amazon ants away from their original population. There is enough distance between the two groups, that they will never meet in nature again. What type of speciation?

a)

sympatric

b)

allopatric

49.

Some female peacocks prefer males with large, colorful tails while other female peacocks prefer males with no tail at all. Females are beginning to only mate with the type of males with the tail they prefer. What type of reproductive barrier is this?

a)

sympatric speciation

b)

allopatric speciation

50.

The emergence of a mountain range is an event that would lead to _______________ speciation

a)

Allopatric

b)

Sympatric

51.

Mating with geographic neighbors rather than randomly withing the entire population leads to the evolution of a single species into more than one species

a)

allopatric speciation

b)

sympatric speciation

c)

parapatric speciation

d)

mutation

52.
Which of the following is an example of the bottle neck effect?
a)
Bald Eagles are hunted until near extinction, population recovers.
b)
Small group of iguanas floats to an island, starts a new population.
c)
Red fox pups are more likely to survive in a snowy environment if they are born white.
d)
Farmer chooses seeds from largest apples to plant next year.  This results in larger apples from year to year.

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