Read changes on earth and changes in life. explain how changes in earth’s systems affect the growth of life on earth. use evidence from the text to support your answer.

There has been a direct relationship between the earth's system and the growth of life on earth.

The favorable temperature and climatic conditions made life possible on earth. The average earth's temperature supports all forms of plants and animal's life. The presence of oxygen in the environment and in the dissolved form found in water supports both terrestrial as well as aquatic lives.

The sudden increase in greenhouse gases has caused an increase in the earth's temperature every year. This might affect the growth of life and creates a flood-like situation or rise in the sea level. This also affects the microorganisms and plants and it might also cause harm to human beings.

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.