Biology, 20.08.2021 14:00, bxbykay1

Which is more efficient, a three chambered or four chambered heart? Why?

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Biology, 22.06.2019 04:30, TheCampingStone

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?

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Biology, 22.06.2019 09:30, zahwaahmaf

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.

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Biology, 22.06.2019 13:30, derpoofoofderp

The earths core is made up mainly of what 2 substances? 2. like an egg, earth has a core, a layer surrounding the core, and a thin, hard outer layer. which layers of the earth match the layers of an egg?

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Biology, 22.06.2019 15:00, tatedason33741

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective