Humans experience two growth spurts. The first one occurs in early childhood at around the ages of 2 to 3, during which a child grows at a rate of 4 inches<span> per year on average. The other growth spurt happens during puberty. Girls grow about </span>3<span> to </span>3<span> ½ inches per year, and boys grow about </span>4 inches<span> per year during puberty.</span>
The first layer is the cell wall.
And the second layer is the cell membrane.I think
Answer:
enzymes are biological moleucles that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
Explanation:
Answer:
Males have 1 or sometimes even 2 reproductive organs that direct sperm to a female. The sperm fertilizes eggs, sometimes even in the hundreds or thousands. That is how all reptiles reproduce.
Answer: D mitosis
Explanation: I hope this helps
