Which physician is first associated with vaccination?
A) Ehrlich
B) Jenner
C) Lister
D) Koch
E) Escherich
B
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What is decreased during the process of meiosis?
A) the size of chromosomes B) the number of cells C) the number of chromosomes D) All of the above are true.
When a carbohydrate is digested, what is the product?
A. energy B. simple sugars C. amino groups D. glycerol and fatty acids
Which of the following would tend to promote adaptive radiation?
A) An organism has a very stable set of features and capabilities over long spans of evolutionary time. B) An organism colonizes an isolated area that is habitable but relatively devoid of life. C) An organism colonizes an area that already has a high level of existing species diversity. D) A single species goes extinct, but it has several competitors that quickly expand to assume its ecological roles.
The earliest microbial fossils that have been found are dated from approximately 4.5 million years ago.
Answer the following statement true (T) or false (F)