Why Do Cats Sleep More Than Sheep

question 132

Multiple Choice

Why do cats sleep more than sheep?

• A) Cats are more intelligent.
• B) Cats are more active during the day.
• C) Cats are in less danger while they sleep.
• D) Cats are more closely related to human beings.

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Definitions:

Blastocyst

An early stage of embryonic development characterized by a sphere of cells surrounding a fluid-filled cavity, shortly before implantation in the uterus.

Placenta

An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing baby and removing waste products from the baby's blood.

Umbilical Cord

A flexible cord-like structure containing blood vessels that connects a fetus in the womb to its mother's placenta, providing oxygen and nutrients.

Yolk

The nutrient-rich central part of an egg that serves as food for the developing embryo in egg-laying animals.