What Happens to Different Isotopes of Oxygen in This Figure

question 14

Multiple Choice

What happens to different isotopes of oxygen in this figure?

• A)Evaporation concentrates lighter isotopes in the resulting water vapor.
• B)Precipitation forms ice that is enriched in heavier isotopes relative to seawater.
• C)Melting of ice preferentially releases heavier isotopes back into the ocean.
• D)All of these.

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Definitions:

Trait Expression

The process by which an organism's genetic code influences its phenotypic traits, resulting in visible or measurable characteristics.

Acrosomal Reaction

The acrosomal reaction is a process in sperm that allows it to penetrate and fertilize an egg, involving the release of enzymes from the acrosome.

Fertilization

The process in which a sperm cell unites with an egg cell to form a zygote.

Polyspermy

The fertilization of an egg by more than one sperm, which can lead to developmental abnormalities.