Biology Questions of the Day

1.

1 point

What is the biggest challenge in looking at evidence for macro evolution?

Being both objective and subjective

Being objective instead of subjective

Being neither subjective or objective

Being subjective instead of objective

2.

1 point

What is the most important factor in influencing the future evolution of a species?

Extinction

Predatation

Competition

Reproduction

Environment

3.

1 point

What effect does predatation have on genetic change?

Slows it down

Speeds it up

No effects

4.

1 point

What is the fundamental difference between fact and theory?

Fact can always be proven, theory can not.

Theory is based on evidence

Theory can always be proven, fact can not.

Fact can be proven but not always

5.

1 point

What happens if the offspring of the "winners" do not inherit the winner gene?

The selection process works

The selection process fails

The loser gene is passed down

6.

1 point

Natural selection can have a ______ effect on a population.

Stabilizing

Directional

Destabilizing

All of the above

7.

1 point

Why doesn't a recessive gene disappear from the population if it is a disadvantage?

Because things can carry it forever

because it can't completely die out

It might not show up but it is still there

All of the above

8.

1 point

The next evolutionary step for a species can be predicted accurately based on current data.

True

False

9.

1 point

Transitional forms are a requirement of the evolution process.

True

False

10.

1 point

Winners in competitive interactions are ultimately determined by _________ _________.

11.

1 point

What happens to the loser in a competitive interaction?

They will continue normally

They will become extinct

They will progress rapidly

They will genetically fail

12.

1 point

How do groups become reproductively isolated?

They are losers

Change in events such as life style or location

Others shun them

13.

1 point

How does competition relate to the whole process of evolution?

everything changes

Winners move on

Nothing changes

It drives groups in a certain direction

14.

1 point

If the offspring inherits "winner" genes every time, what happens to the "loser" genes?

They decrease in amount and frequency.

They go a way for awhile.

They decrease

They die off completely.

15.

1 point

What is the most important factor in influencing the future evolution of a species?

Reproduction

Competition

Predatation

Extinction

Environment

16.

1 point

The strongest direct evidence for macro evolution is ________.

Fossils

DNA

Homologies

Biogeography

Radio carbon dating