Explain the basic ideas of natural selection proposed by Charles Darwin

What will be an ideal response?


Darwin's ideas included the following: (1 ) Within a species there is variation, and some of this variation has a genetic basis; (2 ) some individuals have more surviving offspring than do others because their particular inherited characteristics make them better suited to their environment; and (3 ) traits of more successful individuals become more common in the population.

Biology & Microbiology

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In an isometric contraction of a skeletal muscle,

(a) the tension in the muscle increases. (b) movement occurs. (c) no movement occurs. (d) both a and c occur.

Biology & Microbiology

The Florida panther, as a symbol of Florida's conservation campaign, serves as a(n)

A. indicator species. B. flagship species. C. endemic species. D. keystone species. E. umbrella species.

Biology & Microbiology

Which types of bacteria are inhibited from growing on Endo agar?

A) Gram-positive bacteria B) Gram-negative bacteria C) Lactose fermenting bacteria D) Nonlactose fermenting bacteria

Biology & Microbiology

Which of the following is hydrophilic?

A) cellulose B) testosterone C) butter D) cholesterol

Biology & Microbiology