Which of the following statements is true about external and internal fertilization? a. internal fertilization doesn't require sexual intercourse. b. all animals that lay eggs use external fertilization. c. external fertilization doesn't require sexual intercourse. d. all animals that lay eggs use internal fertilization.
Answers: 3
Biology, 21.06.2019 13:00
Which is not a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic
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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
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Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
Answers: 1
Which of the following statements is true about external and internal fertilization? a. internal fe...
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