Topic 1 - Variation: Variation

Question 1

How might someone’s height be affected if they grew up in a place without much food? Would this be environmental or genetic variation?

Answer 1

They might not grow as tall as they otherwise could. This would be an example of environmental variation.

Question 2

Name two causes of variation in a species.

Answer 2

Genes and environment.

Question 3

Tom grows tomato plants from one seed packet. Why might one plant be much shorter than the others?

Answer 3

It could be genetic variation (e.g. A genetic mutation), it could be environmental variation (e.g. It didn’t get enough nutrients) or it could be a mixture of genetic and environmental variation.