If Liquid Water Froze at the Same Temperature at Which

question 66

Multiple Choice

If liquid water froze at the same temperature at which it is most dense,

• A) the surface of temperate-region lakes would tend to freeze before deeper regions.
• B) deeper regions of temperate-region lakes would tend to freeze before the surface.
• C) no thermocline would form in the summer in temperate-region lakes.
• D) the epilimnion would freeze first in temperate-region lakes.

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Definitions:

Natural Selection

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

British Naturalist

A scientist from Britain who studies the natural world, especially plants and animals.

Mutations

Changes in the DNA sequence of a cell's genome, which can lead to variations in physical traits or the development of diseases.

DNA Copies

The process of duplicating the DNA molecule, essential for cell division and reproduction.