Human Evolution

Question 1

Define ‘primatology’ (2)

Answer 1

The Study of primates including the prosimians (lemurs, bush babies and tarsiers) and the simians (humans, other apes and monkeys)

Question 2

Charles Darwin came up with what three theories? (3)

Answer 2

Evolution

Sexual Selection

Natural Selection

Question 3

Define ‘evolution’ (2)

Answer 3

The change in inherited or genetically transmitted characteristics of biological organisms over multiple generations.

Eg. Apes becoming humans

Question 4

Define ‘natural selection’ (4)

V.R.C.P.M.O

Answer 4

Wide range of VARIATION between individuals

They must compete for limited RESOURCES (eg, food,light,mates)

Some may have CHARACTERISTICS enabling them to survive and reproduce more successfully

‘Successful’ characteristics are PASSED ON to offspring

Over time, MORE individuals will have these successful characteristics

OTHERS that are less well adapted and compete less successfully will DIE OUT

Variation - Resources - Characteristics - Passed on - More - Others die out

Question 5

Define ‘variation’ (4)

Answer 5

Genes + environment.

Caused by genetic mutations within genes and acquired characteristics.

Can be continuous or discontinuous.

Changes in the environment can result in rapid changes in a species