Space, environment, weather, population increase and decreas
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.
One way the muscle cell is different from a plant cell is the plant cell has a pigment called chloroplast which gives it its green color.
<span>Secondary succession is faster than primary succession because the soil is already there and the soil usually contains many seeds.</span>
Answer:
the answer is no a thanks