4.2.2 Classification and evolution Flashcards
1
Q
what is variation?
A
Variation means differences between individuals within a species or between different species
2
Q
what is instraspecific variation?
A
the differences between individuals of the same species
3
Q
what is a species
A
a group of similar organisms which can interbreed to produce fertile offspring
4
Q
what is interspecific variation
A
the differences between individuals that belong to
different species
5
Q
give an example of intraspecfic variation
A
humans - diffeerent skin colour
6
Q
give an example of interspecific variation
A
snake - ectotherm; human - endotherm.
7
Q
what are the three principals which cause variation?
A
- Genetics
- Environment
- Genetics and environment
