Evolution Test Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What is the equation for Hardy-Weinberg Equilibrium?

A

p^2+2pq+q^2=1
p+q=1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does the p stand for in the equation?

A

Homozygous Dominant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does the pq stand for in the equation?

A

Heterozygous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does the q stand for in the equation?

A

Homozygous recessive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are alleles?

A

Different versions of a trait.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the three different kinds of mutations?

A
  1. Disruptive
  2. Stabilizing
  3. Directional
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What do you divide to find the percentage of traits in a population?

A

Part/Whole population

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a Hardy-Weinberg Equation about? (List a couple of points)

A

-No mutations
-Random mating
-No gene flow
-Snapshot in time
-Large population
-Hypothetical
-Assumptions can be made

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What was the lethal allele combination in the bunny lab?

A

Furlessness or ff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why do lethal alleles remain in generations while not being completely erased?

A

Heterozygous individuals still carry the lethal allele and can pass it on to their descendants.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does F.A.M.E stand for?

A

-Fossils
-Anatomy
-Molecular
-Embryological

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does the fossil record demonstrate?

A

Intermediate species throughout time.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are homologous strcuture?

A

Same strcuture-different function

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are analogous structures?

A

Different anatomies - similar functions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are vestigial strcutures?

A

Wisdom teeth, tail bones, and other structures are no longer needed to survive in organisms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is embryology?

A

Organisms in their embryo stages
-Suggests a common ancestor

16
Q

What is a scientific theory?

A

A statement or explanation that has been well-supported by facts.
Examples include:
-Theory of Evolution
-Cell Theory
Gravitational Theory

17
Q

Allopatric Speciation

A

Separated by geography

18
Q

Sympatric Speciation

A

Reproductive Isolation
-Temporal
-Behavioral

19
Q

Pre-zygote mechanisms Prevent mating

A

-Geographic isolation
-Temporal Isolation
-Behavioral Isolation

20
Q

Post-zygote Isolating Mechanisms

A

-Offspring are infertile
-Pregnancy is not successful

21
Q

Phyletic Gradualism

A

Speciation occurs slowly in a population, with more stasis, ancestral turns into a new species altogether

22
Q

What is a punctuated equilibrium?

A

-Speciation occurs quickly
-Subpopulation turns into a new species
-Transitional links are rare

23
Q

What is adaptive radiation?

A

The development of many species from a common ancestor

24
Q

What are some of the causes of the 6th mass extinction?

A

-Habitat destruction
-Climate change
-Pollution
-Poaching and illegal hunting

25
Q

What is cladistics?

A

Evolutionary relationships between different organisms.