Why is Robert Hooke important in the cell theory? Why is Matthias Schleiden important in the cell theory?

Why is Theodore Shwann important in the cell theory?

Why is Rudolph Virchow important in the cell theory?

plz answer them asap and can you answer all and don't put a link​

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

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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.