Evolution Test 1 BB - Assessment

1.

Multiple Choice

30 sec

1 pt

Which is the definition of evolution?

parents passing traits to offspring

genetic differences in a species

the change of species over time

the appearance of new life forms

2.

Multiple Select

45 sec

1 pt

What type of structure does the statement describe? Scientists believe human arms and whale flippers were inherited from a common ancestor.

Analogous Structure

Homologous Structure

Vestigial Structure

3.

Multiple Select

45 sec

1 pt

What type of structure does the statement describe? The tailbone of a human is a structure that serves no practical purpose.

Analogous Structure

Homologous Structure

Vestigial Structure

4.

Multiple Select

45 sec

1 pt

What type of structure does the statement describe? Hawk wings and grasshopper wings allow for sustained flight, but these structures evolved separately.

Analogous Structure

Homologous Structure

Vestigial Structure

5.

Multiple Select

45 sec

1 pt

What type of structure does the statement describe? Humans can have their appendixes removed with few, if any harmful effects.

Analogous Structure

Homologous Structure

Vestigial Structure

6.

Multiple Choice

30 sec

1 pt

Identify the type of natural selection illustrated by the graph.

directional selection

stabilizing selection

disruptive selections

7.

Multiple Choice

30 sec

1 pt

Which is true because of comparative embryology?

A frog embryo resembles an adult frog.

The embryos of all animals appear different.

Turtle and human embryos have a tail.

Male and female eagle embryos have wings.

8.

Multiple Choice

45 sec

1 pt

Which is an example of camouflage?

The viceroy butterfly’s colors match the monarch butterfly’s color.

The leafy sea dragon looks more like a plant than an animal.

The thick feathers of the great horned owl make it a nearly silent flier.

A group of macaws isolated on an island have uniquely shaped beaks.

9.

Multiple Choice

30 sec

1 pt

According to the theory of natural selection, why are some individuals more likely than others to survive and reproduce?

They pass on to their offspring new characteristics they acquired during their lifetimes

They are better adapted to exist in their environment than others.

They do not pass on to their offspring new characteristics they have acquired during their lifetimes

They tend to produce fewer offspring than do others in the same environment.

10.

Multiple Choice

30 sec

1 pt

What type of natural selection favors average individuals in a population?

directional selection

stabilizing selection

disruptive selections

11.

Multiple Choice

30 sec

1 pt

Which was the first conclusion Darwin made soon after returning from the Galápagos Islands?

Natural selection was the evolutionary mechanism for species change.

New species of finches could emerge through small ancestral changes.

Variety among Galápagos birds resulted from evolutionary changes.

Wild finch diversity explained the breeding of domesticated animals.

12.

Multiple Choice

30 sec

1 pt

Which is an example of an adaptation?

All African cheetahs have a similar DNA and genetic make up.

Sparrow and finch wings allow for quick bursts of speed during flight.

Polar bear fur is better camouflage on ice flows than brown bear fur.

Both a human and a gorilla have opposable thumbs for grasping objects.

13.

Multiple Choice

30 sec

1 pt

After returning from his voyage on the HMS Beagle, which did Darwin assume?

Galápagos tortoises had reached a genetic equilibrium on the islands.

South American finches changed after coming to the Galápagos Islands.

Fossil evidence shows that species have changed over millions of years.

Tropical mockingbirds of the same species had different traits.

14.

Multiple Choice

30 sec

1 pt

Why are the structures shown below considered to be homologous?

They are the result of geographic isolation.

They belong to organisms that evolved from separate ancestors.

They belong to organisms that probably evolved from a common ancestor.

They are the result of sympatric speciation.

15.

Multiple Choice

30 sec

1 pt

Identify the type of natural selection illustrated by the graph.

directional selection

stabilizing selection

disruptive selections

Explore this activity with a free account