Term 5 and 6 biology revision year 8

Variation is:

• a disease.

• the scientific name for fertilisation.

• differences in characteristics.

• similarities in characteristics.

An example of an inherited characteristic is:

• eye colour.

• a tattoo.

• a scar.

• a broken leg.

A species is:

• a group of organisms that reproduce in water.

• a group of organisms that can produce offspring that can also reproduce.

• a group of organisms that cannot reproduce.

• someone who wears glasses.

What is the area where a polar bear lives called?

• the igloo

• the desert environment

• the Arctic habitat

• the winter habitat

The variation in the lengths of some fish is:

• discontinuous

• continuous

• both discontinuous and discontinuous

• neither discontinuous nor continuous.

Which of these features can not be inherited?

• eye colour

• hair colour

• a scar

• curly hair

Which of these is most likely to be an example of environmental variation?

• a woman with naturally blonde hair

• a man with an earring

• a girl with blue eyes

• a boy with naturally curly hair

Why do fish have gills?

• So that they can fly

• So that they can swim better

• So that they can breathe underwater and perform a gas exchange

• So that they can hide from predators

A polar bear is white like the snow surrounding it in its habitat. Describe this adaptation.

• Regeneration

• Mimicry

• Camouflage

• Hibernation

Which one of the following shows discontinuous variation?

• Eye colour
• Height
• Strength
• Weight