Variation And Selection

Question 1

Continuous variation

Answer 1

Type of variation characterised by a gradual change in characteristic across a population

Question 2

Discontinuous Variation

Answer 2

Type of variation in which all the individuals can be clearly divided into 22 or more groups and there are no intermediate states

Question 3

What are the causes of variation?

Answer 3

Genetics and Environmental

Question 4

Natural Selection

Answer 4

The process in which the better adapted individuals survive (at the expense of the less well adapted ones) and pass on their genes to the offspring

Question 5

Antibiotic

Answer 5

A chemical produced by fungi that kills bacteria

Question 6

Antibiotic resistance

Answer 6

An antibiotic-resistant bacterium cannot be killed by at least one type of antibiotic

Question 7

Who came up with the theory of Natural Selection?

Answer 7

Charles Darwin

Question 8

Evolution

Answer 8

A continuing process of natural selection that leads to gradual changes in organisms over time, which may lead to the formation of a new species

Question 9

Extinction

Answer 9

A species is extinct If there are no living members of that species left

Question 10

Selective breeding

Answer 10

The selection and subsequent breeding of organisms chosen by humans for their desirable properties