What is the difference between chemical evolution and biological evolution?
What will be an ideal response?
Chemical evolution is a process where molecules bond together and eventually concentrate smaller molecules into the most stable larger forms. Eventually, it is hypothesized that after sufficient time, a molecule formed that could copy itself.
Biological evolution is the process by which life adjusts itself to changing environments.
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If the multiregional hypothesis of human origins is correct, modern human populations last shared a common ancestor around _____ years ago. If the out-of-Africa hypothesis is correct, we last shared a common ancestor around _____ years ago
A. 2 million; 200,000 B. 3.2 million; 2 million C. 5-7 million; 2 million D. 5-7 million; 200,000 E. 3.2 million; 200,000
According to our text, increasing the share of household income controlled by women changes spending in ways that increase benefits to
A) children. B) men. C) pets. D) businesses.
These sharply pointed teeth on the sides of the mouth tear food
A) incisors B) canines C) premolars D) molars
Which of the following virus families has a double-stranded RNA genome?
A) Retroviridae B) Reoviridae C) Rhadoviridae D) Orthomyxoviridae E) Filoviridae