Because They _______, Lizards and Snakes Will Position Themselves in the Sun

question 154

Multiple Choice

Because they _______, lizards and snakes will position themselves in the sun to warm their bodies.

• A) are ectotherms
• B) need to maintain a constant body temperature
• C) have high metabolic rates
• D) are heterotherms
• E) are endotherms

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Definitions:

Estrogen Levels

The concentration of estrogen, a primary female sex hormone, in the body which affects various functions and developmental processes.

Prostaglandins

A collection of lipid-based substances that possess a wide range of effects similar to hormones in animals.

Seminal Vesicles

(1) In mammals, glandular sacs that secrete a component of semen (seminal fluid). (2) In some invertebrates, structures that store sperm.

Spermatogenesis

The process by which spermatozoa are produced from male primordial germ cells by way of mitosis and meiosis, occurring in the testes.