Biology, 22.10.2019 13:00 enchantednights
Recent molecular evidence suggests that the ancestors of the aboriginal australians may have arrived on that continent much earlier than originally thought, suggesting that there may have been two waves of human migration out of africa instead of only one. what is the best next step for scientists considering this alternative explanation?
Answers: 2
Biology, 22.06.2019 05:20
When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
Answers: 2
Biology, 22.06.2019 06:30
Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
Answers: 2
Biology, 22.06.2019 10:00
Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.
Answers: 2
Recent molecular evidence suggests that the ancestors of the aboriginal australians may have arrived...
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