A Rancher Overgrazes His Land in an Area Underlain by Heavy

question 71

Multiple Choice

A rancher overgrazes his land in an area underlain by heavy clay soils and regolith developed from weathering of claystone. After a series of heavy rains small creeks develop deep gullies along their length. A light steady rain develops and continues for several days. What should the rancher be concerned about on his overgrazed lands?

• A) increasing gully development because of the rain
• B) slumps along the creeks
• C) rock avalanche
• D) lahars filling cascading down his creeks, wiping out his cattle

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Definitions:

Conception

The moment when a sperm fertilizes an egg, leading to the beginning of pregnancy.

Testicular

Related to the testes, the male reproductive glands that produce sperm and testosterone.

Uterus

A female reproductive organ in mammals, including humans, where offspring are conceived and in which they gestate before birth.

Genetic Defect

A hereditary condition resulting from an abnormality in an individual's DNA.