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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 15:30, DogeDogeLove
When an object is moving away from you while still making a sound, the pitch of the sound is perceived to a. lower b. unchanged c. fluctuating d. higher
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Biology, 22.06.2019 15:50, quise2ross
In the diagram below, which organelle is a ribosome, which combines amino acids and produces proteins? о
Answers: 1
Nitrogen in the atmosphere must be “fixed” before it can be used by plants. atmospheric nitrogen is...
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