Question 16 (1 point) 4) Listen Why is the amniotic egg considered a key evolutionary innovation? It prohibits external fertilization, thereby facilitating the evolutic
9 -1 2 Why is the amniotic egg considered a key evolutionary innovation? It prohibits external fertilization, thereby facilitating the evolutionary innovation of internal fertilization. It greatly increases the likelihood of survival of the eggs in a terrestrial environment. It extends the time of embryonic development. It enables eggs to float in an aquatic medium. Question 17 (1 point) Listen ▶ Which phylum were the first animals to venture onto land and spread over the e
7 1 5 8 ww 10 11 12 22 23 9 13. 14 15 6 1 16 17 18 19 20 21 24 Which was the first hominid to migrate out of Africa? Homo sapiens Homo erectus Australopithecus africanus Homo habilis 7 1 5 8 ww 10 11 12 22 23 9 13. 14 15 6 1 16 17 18 19 20 21 24 Which was the first hominid to migrate out of Africa? Hom
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