B2.3.3 - Variation Flashcards Preview

SHHS - Science - B2.3 Adaptation and Inheritance - Year 8 > B2.3.3 - Variation > Flashcards

Flashcards in B2.3.3 - Variation Deck (12)
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1

What is meant by variation?

Differences in characteristics e.g. hair colour, eye colour, etc.

2

Give examples of environmental variation.

Scars

Tattoos

Dyed hair

3

What is meant by a characteristic?

A feature of an organism

4

Different species show _______ of variation.

5

What is a species?

A group of organisms that share similar features

And can produce fertile offspring.

6

Name the two types of variation.

Inherited variation

Envrionmental variation.

7

Which charactersitics are not affected by the environment?

Blood group

Natural eye colour

Genetic diseases.

8

Give examples of genetic variation.

Natural eye colour

Natural hair colour

Blood group

Genetic diseases.

9

How can nose shape be genetic and environmental variation?

Genetic: nose shape is inherited from parents

Envrionmental: a person may have cosmetic surgery or break their nose.

10

Members of the same species show _______ variation than members of different species.

less

11

Why are siblings (brothers and sisters) not identical to each other?

They inheirt a different mixture of genes form their parents.

12

What does fertile mean?

Can have babies.