adaption, natural selection and the evolution of species Flashcards

1
Q

what is mutation?

A

is the random change in an organisms genetic information its rare and occur infrequently

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

what are factors that increase mutation rates?

A

Radiation and some chemical

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

name the type of radiation and chemical?

A

UV rays, Xrays

mustard gas and cigarette smoke

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

what does it mean by ‘ advantageous ‘ mutations?

A

the increase in ability of organism to survive and re produce

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

what does it mean by ‘ neutral’ mutation?

A

its a mutation that neither harms or benefits an organism

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

what does it mean by ‘ disadvantageous’ mutation?

A

decreases the advantages of an organisms survival

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

what is evolution?

A

change in characteristic of an organism overtime

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

what is natural selection?

A

it determinds which indavidual will do best at surviving and reproducing, survival of the fittest.

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

what is speciation?

A

is the formation of a new species

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

what is adaption?

A

an inheritated characteristic that makes organisms well suited to survial in its enviormen/niche

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

what makes it possible for a population to evolve over time in response to changing enviormental conditions?

A

variation

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