You Have Captured a Number of Rats from a Wild

question 29

Multiple Choice

You have captured a number of rats from a wild population and quickly surmise with tests that they are very good at avoiding food with poisons. What would best explain this observation?

• A) Rats may learn this behaviour from their parents or siblings.
• B) Rats may experience a large variety of toxins in their environment and learn to avoid them.
• C) Rats are probably just intelligent enough to avoid poison.
• D) Rats may be able to tolerate large amounts of poison.

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Definitions:

Telomeres

Protective cap-like structures at the ends of chromosomes that prevent the loss of genetic information during cell division.

Aging

The process of becoming older, a series of biological changes that occur in living organisms over time.

Spindle Equator

The imaginary plane located at the midpoint between the poles of a cell during mitosis or meiosis where chromosomes line up during metaphase.