The answer is C, twisted ladder
Answer:
They have a backbone, most use legs,wings,or fins for movement.
Answer:
Reproductive cells are called: Gametes.
Female Reproductive cells: Egg.
Male reproductive cells: Sperm.
Explanation:
In sexual reproduction each sex has 2 reproductive cells, the egg and the sperm. Sperm fertilizes the egg and the egg will now grow into an embryo. As a whole those two cells are called gametes but depending on gender they have different names.
The relationship between annual earnings and education attainment is the higher the education level , the higher the income .