On Intertidal Boulders in California, the Diversity of Diatoms and Algae

question 10

Multiple Choice

On intertidal boulders in California, the diversity of diatoms and algae

• A) increases at first, but then declines late in succession.
• B) increases steadily through succession.
• C) increases slowly at first, but then rapidly late in succession.
• D) increases rapidly at first, then plateaus late in succession.
• E) first decreases, but later increases.

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Definitions:

Iron

A metallic element essential for human life; involved in oxygen transport within the bloodstream.

Obesity

Excess accumulation of body fat; a person is considered obese if the body mass index (BMI) is 30 or higher.

Fat Cells

Cells known as adipocytes, which are specialized in storing energy in the form of fat and play a key role in metabolism, body temperature regulation, and cushioning of organs.

Leptin

A hormone produced by adipose tissue that signals brain centers about the status of energy stores.