Biology, 08.03.2020 18:57 daniellacalles
David is a research scientist who is giving a lecture to a class of students on how life began on Earth. Help him complete the sentences.
Scientists have found containing fossilized cyanobacteria (blue-green algae). They show that life has been present on the Earth from early ages. Oparin and Haldane were two scientists who hypothesized that life needed reducing environments initially to appear. The ocean in the early ages was (devoid of oxygen) and acidic.
Answers: 2
Biology, 22.06.2019 15:30, mrojas1011
Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species
Answers: 1
Biology, 22.06.2019 20:30, francisco42002
Water diffusing through a semipermeable membrane is called
Answers: 1
David is a research scientist who is giving a lecture to a class of students on how life began on Ea...
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