Evolution COPY Flashcards

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

What is darwins theory of evolution

A

Darwins theory of evolution by natural selection states that all species of living things have evolved from simple life forms that first developed more than three billion years ago

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

Why was the theory of evolution g natural selection only gradually selected

A

The theory challenged the idea that God made all the animals and plants that live on earth
There was insufficient evidence at the time the theory was published to convince many scientists
The mechanism of inheritance and variation was not known until 50 years after the theory was published

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

What was many other theories including lamarcks based on

A

The idea that changes that occur in an organism during its lifetime can be inherited

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

What does studying these multitudes and differences between organisms allow us to do

A

It allows us to classify living organisms into animals, plants and microorganisms, and helps us to understand evolutionary and ecological relationships

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

How does evolution occur

A

Via natural selection

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

Why might individual organisms within a particular species show a wide range of variation

A

Because of differences in their genes

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