Two Species of the Garter Snake in the Genus Thamnophis

question 28

Multiple Choice

Two species of the garter snake in the genus Thamnophis are found in the same geographic region.These species are not likely to meet and attempt to reproduce because one lives mainly in the water,while the other species spends most of its time on land.This is known as

• A)behavioral isolation.
• B)habitat isolation.
• C)temporal isolation.
• D)zygote mortality.

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Definitions:

Cervical Incompetence

A medical condition where the cervix weakens and dilates prematurely, leading to a risk of preterm birth or miscarriage.

Endothelial Dysfunction

A condition wherein the endothelium (inner lining) of blood vessels do not function normally, leading to cardiovascular disease.

Vasospasm

A condition where blood vessels spasm, causing a narrowing of the vessels and reducing blood flow.

Elevated Human Chorionic Gonadotropin

Higher than normal levels of hCG, a hormone produced during pregnancy, which can indicate certain conditions like multiple pregnancies or a molar pregnancy.