Fan adult dog has 78 chromosomes, the number of chromosomes in a dog’s sperm cell will be

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

In which situations is the principle of cross-cutting relationship useful in determining relative age?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.