The answer to your question should be the last option (waste products) if not i would go with the first option but im pretty sure is the last option
Answer:
D.
Explanation:
the term natural selection is how evolution takes place
Answer:
Testes are the structure in male organism where sperm cells are produced. The process in which sperm cells are produced called spermatogenesis. Ovaries are the structure in female organism where egg cells are produced. The process in which egg cells are formed is called oogenesis.
When sperm of male combine with egg of female, it produces a fertile zygote and this zygote turns into a new organism.