Grade 7 - Variation

Which one of the following defines 'Habitat'?

• a living thing

• the natural environment where an organism lives.

• a group of organism that are capable of interbreeding.

Which one of the following is an example of inherited variation in humans?

• Scars

• Piercings

• Eye colour

There are ___________ types of variation among organisms.

• two

• five

• three

What is meant by discontinuous variation?

• It means that the variation may have any one of a large range of values.

• It means that the variation can only have one of a fixed number of options.

Which one of the following is an example of continuous variation in humans?

• Eye colour

• Height

• Blood group

Which one of the following is an example of discontinuous variation in humans?

• Blood group

• Height

• Eye colour

Zonkey is an example of

• Hybrid

• Pure bred

• Cloning

Which one of the following is true for hybrids?

• they can reproduce offspring.

• they cannot reproduce offspring.

What are hybrids?

• offspring produced by organisms from two different species.

• offspring produced by interbreeding in a species.

• offspring produced asexually.

Which two species produced the hybrid "Zonkey"?

• donkey and sheep

• donkey and zebra

• donkey and goat.