Which Statement Describes a Difference in the Development of Marsupial

question 33

Multiple Choice

Which statement describes a difference in the development of marsupial versus eutherian (or placental) mammals?

• A) Marsupial young are ejected at the end of the estrous cycle, as the corpus luteum is not maintained.
• B) Marsupials undergo a longer gestation, hence the long time spent in the pouch.
• C) Only eutherians are born with well-formed jaws, gut, and forelimbs.
• D) Marsupials hatch from an egg, whereas eutherians are born.

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Definitions:

Stimulus

An event, object, or signal that elicits or induces a response from an organism or system.

DRI

Differential Reinforcement of Incompatible behavior, a technique used to reduce unwanted behavior by reinforcing a behavior that is incompatible with it.

DRA

Differential Reinforcement of Alternative behavior, a strategy focusing on reinforcing a desirable behavior to replace an undesirable one.

Locational Determinant

Factors that influence the decision-making process regarding the placement of operations, facilities, or resources in specific geographic areas.