23) Reproduction among amniotes always involves: External fertilization Wet environments Live birth Internal fertilization
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A key characteristic of amniotes is the presence of an amnion, a membrane that surrounds and protects the developing embryo. Show more…
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Internal fertilization a. can prevent the drying out of gametes and zygotes. b. must take place on land. c. is practiced by humans. d. requires that males have a penis. e. Both a and c are correct.
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. Internal fertilization a. can prevent the drying out of gametes and zygotes. b. must take place on land. c. is practiced by humans. d. requires that males have a penis. e. Both a and c are correct.
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