How many chromosomes are there in male?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Adistinctive characteristic of mammals that is not observed in other vertebrates is

Which of the following is a feature of all cells? o a. all cells have a nucleus. o b. all cells have dna for at least part of their life cycle. het . o c. all cells are spheres. o d. all cells have a rigid cell wall.