Life Histories Typical of R-Selection Are Most Likely to Evolve

question 19

True/False

Life histories typical of r-selection are most likely to evolve where species populations are near carrying capacity much of the time.

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Definitions:

Urethra

The tube that conveys urine from the bladder to the outside of the body in both sexes, and also transports semen in the male reproductive system.

Leydig Cells

Testosterone-producing cells in the testes that react to luteinizing hormone.

Interstitial Cells

Cells located in the testes that produce testosterone, playing a key role in the development of male secondary sexual characteristics.

Testosterone

A primary male sex hormone responsible for the development of male secondary sexual characteristics, though also present in females in smaller amounts.