Variation

Question 1

Why do offsprings resemble their parents?

Answer 1

They inherit their genes from them but vary as they get a mix from both the mum and dad

Question 2

Give 3 e.gs of characteristics obtained through genes

Answer 2

Blood type, eye colour, ability to roll tongue

Question 3

Give 3 e.gs of characteristics obtained from the environment

Answer 3

Scars, language(s) spoken, tattoos

Question 4

Give 3 e.gs of characteristics that could be obtained from both genes and the environment

Answer 4

Height, weight, hair colour

Question 5

Give 3 e.gs of characteristics that could be obtained from both genes and the environment

Answer 5

Height, weight, hair colour

Question 6

What’s continuous variation?

Answer 6

Characteristic takes a value within a range e.g. height or foot length

Question 7

What’s discontinuous variation?

Answer 7

Characteristic falls into a distinct group or category e.g. blood type or shoe size

Question 8

How do cactuses adapt to their environment?

Answer 8

Spikes to ward off predators looking for water, thick flesh which keeps water in