1) C
A population has to be isolated for speciation
2) D
Different species are incapable of reproducing with one another
3) D
When a population is contained, the recessive alleles can become dominant within the population
Answer:
a struggle for existence, variation and inheritance. These are said to be the necessary and sufficient conditions for natural selection to occur.
Explanation:
Answer:
They made it illegal to kill/ hunt eagles.
Explanation:
Hunting/ killing was slowly wiping out the eagles' population. This stopped though when conservation came around they made it illegal to hunt eagles, thus saving their kind.
<span>runoff of pesticides into streams and lakes.</span>