1) Which of the following is NOT a principle of Darwin’s theory of evolution by natural selection?
a) Isolated populations always produce new species.
b) Individuals compete for limited resources.
c)Individuals that are suited to the environment survive and reproduce.
d)Natural populations tend to overproduce.

2)Which pair is an example of homologous structures?
a)The traps of Venus flytraps and the pitchers of pitcher plants
b)carrots and sweet potatoes
c)White potato tubers and ginger root rhizomes
d)all of the above