Darwin's theory states, in part, that individuals with certain traits have an increased competitive edge. What is the source of these traits?

A. adaptation to stress
B. development over a lifetime
C. inheritance
D. mutation after birth
E. better living conditions


Answer: C

Biology & Microbiology

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The tentacles of squids bear hooks, while those of octopus do not

Indicate whether the statement is true or false

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On the illustration, "A" and "B" should be

labeled respectively a. consumers; producers b. decomposers; producers c. producers; redistributors d. producers; consumers e. consumers; decomposers

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Against what protein is the treatment for metastatic colon cancer Vectibix directed?

a) p53 b) VEGF c) pRB d) Her2 e) the EGF receptor

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