Chapter 1 and evolutionary few of diversity section 1.4

Question 1

How can organisms be so alike and still show diversity ?

Answer 1

Because of the theory of evolution and natural selection

Question 2

Organisms differences

Answer 2

-Individuals in a population are alike in some ways like their body, function and behavior
-Organisms really have alike traits
-Details differ from one individual to the next
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Question 3

Mutation

Answer 3

( when change arises in dna)

• a change in gene / DNA sequence which leads to change and affects genetic info known as dna
• have a neutral or a bad effect
• May even change something which makes an individual a population better adapted to its environment

Question 4

Adaptive

Answer 4

An individual with this trait are more likely to survive and past its DNA to its offspring

Question 5

Charles Darwin

Answer 5

• natural selection

- English natural scientist who formulated a theory of evolution by natural selection (1809-1882)

Question 6

Natural selection

Answer 6

A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.

Question 7

Artificial selection

Answer 7

Selection by humans for breeding of useful traits from natural variation among different organisms (manipulation)

Question 8

Selective agents

Answer 8

(the different living (biotic) and non-living (abiotic) agents that influence the survival of organisms)

Different living and non living agents influencing science and reproduction

Question 9

Evolution

Answer 9

Means change occurring in a line of descent

Change in a kind of organism over time