in what environment are mold, cast, carbonized, preserved, and petrified fossils formed. (its okay if you only know where one is formed)

Which blood cell spend most of their time in the lymphatic system?

How many types of rock can form from the rock cycle

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.