The first hominin species to exhibit care-giving behavior in which elderly and infirm members of the social group are provisioned by other is: A. Australopithecus Africanus
B. Homo-Sapiens
C. Homo-Erectus
D. Sahelanthropus tchadensis
E. Homo-floresiensis

What organelle other than the nucleus houses dna in a eukaryotic cell?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.