So that everything is not messed up during mitosis
Frogs lay eggs under water. When they hatch they are called tadpoles. After a time as tadpoles they undergo metamorphosis where they grow legs and lungs and become the little friendly hippidy hoppidy guys you see on your porch every night.
Answer:
Cancer is caused by changes to dna therefore cells may change due to length
Explanation:
Answer:
c
Explanation:
Hubble's brilliant observation was that the red shift of galaxies was directly proportional to the distance of the galaxy from earth. That meant that things farther away from Earth were moving away faster. In other words, the universe must be expanding.
Answer:
B, C, D, A
Explanation:
because i got it right on one of my tests