Which of the following is a cornerstone of the science of ecology?

A) Environmentalism
B) Darwin's theory of natural selection
C) Economics
D) Populations


B

Biology & Microbiology

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First division nondisjunction will yield a gamete with an extra chromosome, whereas second division nondisjunction will yield a gamete missing a chromosome

A. true B. false

Biology & Microbiology

Natural selection that increases the frequency of a favorable allele is called _____

A. positive selection B. balancing selection C. sexual selection

Biology & Microbiology

DNA is found in all the following except:

A. mitochondria of animals. B. mitochondria of plants. C. chloroplasts of plants. E. many eukaryotic viruses. F. ribosomes of eukaryotes.

Biology & Microbiology

The anterior pituitary gland secretes ________. In men, this hormone causes the cells that will become sperm to be more sensitive to the effects of testosterone

Fill in the blank(s) with correct word

Biology & Microbiology