How long do we think that living things have existed on earth

What is responsible for the uneven heating between the poles and the equator on any given day

In pea plants, yellow seed color (y) is dominant and green seed color (y) is recessive. based on the punnett squares, what are the chances that the offspring in the second generation will have green seeds?

Agroup of students want to live a healthier life style they decide to use one of these following vegetable oils for cooking apex