A Population of Ground Squirrels Is Separated by a Glacier

question 3

Multiple Choice

A population of ground squirrels is separated by a glacier.Changes in which of the following would most likely result in reproductive isolation if the two populations came into contact several generations later?

• A)A change in the fur colour of one group.
• B)A change in the diet of one group.
• C)A change in the gene encoding of a receptor on the egg-cell surface in one group.
• D)A change in the alarm call of one group to warn of predators.

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Definitions:

Integrated Pest Management

Integrated pest management (IPM) is an ecological approach to controlling pests, using a combination of techniques and strategies to minimize environmental impact and pesticide use.

Crop Losses

Reduction in the expected yield of agricultural products due to factors like pests, diseases, and extreme weather.

Pesticides

Chemicals used to kill pests, including insects, rodents, fungi, and unwanted plants (weeds), widely applied in agriculture to protect crops.

Cultivation Practices

The methods and techniques used in farming and agriculture to grow crops and raise livestock.