Mammals Have Two Traits That Set Them Apart from All

question 2

Multiple Choice

Mammals have two traits that set them apart from all other animals. These are

• A)body hair or fur, and being homeothermic.
• B)amniotic eggs and milk production.
• C)four-chambered heart and milk production.
• D)body hair or fur, and milk production.
• E)four-chambered heart and body hair or fur.

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Definitions:

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, which carry genetic information.

Genetics

Genetics is the branch of science concerned with genes, heredity, and variation in living organisms, influencing traits that are passed from parents to offspring.

Heredity

The passing on of physical or mental characteristics genetically from one generation to another.

Identical Concepts

Ideas, theories, or notions that are exactly the same in their meaning, implications, and applications.