Answer:
Human diploid cells have 23 pairs of chromosomes. Because of independent assortment during meiosis I, there are 223, or 8.4 million possible gametes that may be created even if crossing over didn't occur.
Food is a basic need for all organisms
Answer:
There are about 300 different types of species, but we've not explored even more than 50% of the ocean
Explanation:
Yes just like a snake the shed their skin to grow like a outer shell
