There are a lot of human activities that gives negative effects on the earth's ecosystem but I will mention only four: Burning of things such as garbages or plants and trees, dumping of garbages anywhere, chemical substance that are being made and produced, cutting down of trees for replacement of buildings and homes. The human activities increase the occurrence of species extinction by doing this, it eliminates and destroy the homes of the species that are supposed to be living on their natural habitat. But instead of them, living peacefully, by doing these activities, their home will be destroyed that can kill them-- which can lead to extinction.
Answer:
From low solute concentration to high solute concentration
Explanation:
squirrel and deer. Other animals could be elephants,monkeys, etc
Answer:
A
Explanation:
Meiosis results in gametes with one half the number of chromosomes of the parent cell.
Oswald Avery in 1944 discoveries DNA was responsible for storing and passing information throughout generations