Biology, 21.05.2021 21:40 nylaboo2222
Which of the following statements about change in ecosystems is true? A) Ecosystems experience change through human activity only. B) Ecosystems experience change through natural events only. C) Ecosystems experience no change. D) Ecosystems experience change through human activity and natural events. E) Ecosystems are neither affected by human activity nor natural events.
Answers: 1
Biology, 22.06.2019 00:20
If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible
Answers: 1
Biology, 22.06.2019 02:00
Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z
Answers: 1
Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. itβs 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.
Answers: 1
Which of the following statements about change in ecosystems is true? A) Ecosystems experience chang...
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