In 1957,Clear Lake in California Was Sprayed with DDT Such

question 10

Multiple Choice

In 1957,Clear Lake in California was sprayed with DDT such that the water contained 0.02 ppm of DDT.After a period of time,large fish in the lake were found to have DDT levels as high as 2000 ppm.Which of the following animals would be predicted to have DDT levels > 2000 ppm?

• A)algae
• B)hummingbirds
• C)small fish
• D)eagles

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Definitions:

Partially Digest

Partially digest describes a process where food is incompletely broken down by enzymes, typically occurring in the digestive system before nutrients are absorbed.

Microvilli

Minute, finger-like projections of the cell membrane that increase surface area for absorption, especially in the lining of the intestinal tract.

Small Intestine

A part of the gastrointestinal tract where most of the digestion and absorption of nutrients occurs, extending from the stomach to the large intestine.

Anorexia Nervosa

Eating disorder characterized by a severe psychological fear of gaining weight.