10- Evolutionary Explanations of Animal Behaviour

Question 1

When was the origin of Earth?

Answer 1

4.6 billion years ago

Question 2

When did the first life arise?

Answer 2

3.8 billion years ago

Question 3

When did multicellular life evolve?

Answer 3

2.1 billion years ago

Question 4

When did homo sapiens evolve?

Answer 4

0.2 million years ago

Question 5

Why was Chambers’ theory of evolution an inadequate account (2 points)?

Answer 5

Assumed ‘monstrous births’, didn’t explain adaptation process

Question 6

Who was Erasmus Darwin?

Answer 6

Charles Darwin’s grandfather

Question 7

What did Erasmus Darwin propose?

Answer 7

All warm-blooded animals come from a single living filament

Question 8

What did Lamarck’s evolution theory involve?

Answer 8

Inheritance of acquired characteristics

Question 9

What does an organism do according to Lamarckian evolution?

Answer 9

Pass on characteristics to offspring that are acquired during the lifetime

Question 10

How is change caused when certain characteristics are passed in Lamarckian evolution?

Answer 10

Organ use and disuse

Question 11

What does the organism increase in over time in Lamarckian evolution?

Answer 11

Complexity