Depending on the blastopore fate of its members, label each branch with p (for protostomy), d (for deuterostomy), n (for neither), or p & d. labels may be used once, more than once or not at all

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.