Factors Affecting Genetic Variation-Standard Bio 4.3

Question 1

Complete the T-chart by categorizing each environmental factor as something that would most likely increase or decrease genetic variation. Some answers will fit in both columns depending on the situation. Predator-prey relationships Competition Toxins New habitat Disasters Increased food source

Revolt · Accepted Answer

Selection 1: Decrease; Selection 2: Decrease; Selection 3: Both; Selection 4: Both; Selection 5: Decrease; Selection 6: Increase

Question 2

Competition

Revolt · Accepted Answer

X Both

Question 3

Toxins

Revolt · Accepted Answer

X Decrease

Question 4

New habitat

Revolt · Accepted Answer

X Increase

Question 5

Disasters

Revolt · Accepted Answer

Decrease

Question 6

Increased food source

Revolt · Accepted Answer

Increase

Factors Affecting Genetic Variation-Standard Bio 4.3 Answers

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