Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.
the male reproductive system consists of external organs. while the female reproductive system consists of internal organs.
Answer:
it's usually because they have no predators or very little
Explanation:
Having no predators means a lot of growth for the organism. this can easily lead to extinction of other organism
Answer:
the answer is D
Explanation:
it take the moon 29.5 days to complete its phases and 27 days to orbit the earth
When the sperm and the egg comes together they equal to 46 chromosomes. If the sperm and the egg had less or more than 23 chromosomes the baby would be abnormal/deformed