The Duck-Billed Platypus Shares Which Trait with Non-Mammalian Animals

question 55

Multiple Choice

The duck-billed platypus shares which trait with non-mammalian animals?

• A) teeth
• B) lack of cloaca
• C) laying eggs
• D) hair
• E) females produce milk

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Definitions:

Cross-sectional

Pertains to research that involves analyzing data from a population, or a representative subset, at a specific point in time.

Longitudinal

A research design or study that follows subjects over a period of time, allowing for the observation of long-term effects or changes.

Participants

Individuals who take part in a research study or experiment.

Impulsive

Characterized by actions taken without forethought or consideration of the consequences; spontaneous behavior.