Which of the Following Statements About Plant Toxins Against Herbivores

question 21

Multiple Choice

Which of the following statements about plant toxins against herbivores is false?

• A)The toxin may be kept in a membrane-bound structure to keep it from harming the plant.
• B)The toxin may not be toxic unless it is metabolized in the intestine of a herbivore.
• C)The toxin may have also have a bad taste.
• D)Even a little bit of the toxin will be deadly.
• E)Some toxins can over stimulate particular physiological processes.

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Definitions:

Ventricles

Chambers of the heart that receive blood from the atria and pump it out of the heart to the lungs and the rest of the body.

Aortic Semilunar Valve

A valve in the heart located between the left ventricle and the aorta, preventing blood from flowing back into the heart.

Heart Sound

Sounds produced by the closing of heart valves during the cardiac cycle; typically described as a "lub-dub" sound.

Heart Murmur

An unusual or abnormal sound heard between heartbeats, which can be innocent or indicate a heart problem.