What is the answer to 9k=27

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

When water freezes, it . contracts expands

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.