Answer:
the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully expounded by Charles Darwin and is now believed to be the main process that brings about evolution.
Answer:
A is correct external fertilisation doesn't require sexual intercourse
The one that is not an example of insitu protection is the botanical garden since the three others, ie national park, wildlife sanctuary and wildlife preserve are definitely insitu types because they result from simply designating areas that already exist naturally so that the animals and plants can live in a sense, at home.
Carbon Dioxide is the gas that contributes most to the greenhouse effect.
D. fingernails
Skin, hair, and vertebrae are all the outer layer of the body and protect the body. The fingernails aren't part of that.