Blood carries oxygen from the lungs and distributes it to all the cells in the body. which blood cells are responsible for this function?

a) platelets

b) white blood cells

c) red blood cells

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.