Explanation:
It's little bit short but it will help you and you can get full mark hope it will help you! Have a nice day. ^_^
Y chromosome found in males which influence the degree of maleness
Answer:
The Rats.
Explanation:
I think it would be the rats because its a common pest and who has chickens around their house?
Answer:
Evolution
Explanation:
Evolution is a gradual change in a population that occurs overtime in a species.
Answer:
Prezygotic barriers:
1. Habitat isolation
2. Behavioral isolation
Explanation:
Pre-zygotic barriers are the barriers which do not allow the formation of the zygote in the organisms.
The two mechanisms of the pre-zygotic barriers are the:
1. Habitat isolation: the Flycatchers do not share the same habitat which is also mentioned in the question that they live on different islands.
2. The behavioural isolation: the Flycatchers could have evolved the different mating rituals as a result of which the could not interbreed.
Thus, Habitat isolation and Behavioral isolation are correct.
