Speciation and Phylogeny Flashcards

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

the formation of new and distinct species in the course of evolution

A

speciation

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

the evolutionary development and diversification of a species or group of organisms, or of a particular feature of an organism.

A

phylogeny

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

what are the four concepts that make a new species

A

biological species concept
morphological species concept
ecological species concept
phylogenic species concept

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

what is the biological species concept

A

of they can mate and have viable offspring they are the same species

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

when genes from spec ies get dumped into another gene pool

A

introgression
[hybridization]-

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

mixing of gene pools

A

backcross

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

mixing of gene pools

A

backcross

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

what is the morphological species concept

A

members of the same species look alike

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

downside of biological species concept

A

not all members of the same species naturally mate

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

what is the ecological species concept

A

if the occupy different ecological niched they are different species.

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

what is a down side of morphological species concept

A

mimicry

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

what is a downside of ecological species concept

A

some members of the same species occupy different niches

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

what gene should you look at when you want to come two species

A

mitochondria

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

what needs restricted gene flow barriers

A

speciation

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

what are two types of barries

A

pre-zygotic and post-zygotic

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

what are the two types of speciation

A

allopatric
sympatric

16
Q

when lands split physically because of a barrier causes the population to spilt as well

A

vicariance

17
Q

what is allopatric speciation

A

different father land
the land spilt because of a natural barrier causing pop to split

18
Q

what is sympatric speciation

A

same land different species

19
Q

what is the rate of speciation

A

tends to boom then bust

20
Q

illustration of speciation happening

A

phylogenic trees

21
Q

what is the principle of parsimony?

A

simplest explanation is correct

22
Q

what are the different phylogenic groups

A

monophyletic
paraphyletic
polyphyletic

23
Q

what are the definitions of the phylogenic groups

A

look at notes