Based on Studies by Jane Lubchenco, What Influence Does the Population

question 3

Multiple Choice

Based on studies by Jane Lubchenco, what influence does the population density of the herbivorous intertidal snail, Littorina littorea, have on the number of algal species?

• A) as snail density increases from low to medium, the number of algal species increases
• B) as snail density increases from medium to high, the number of algal species increases
• C) as snail density increases from low to medium, the number of algal species decreases
• D) as snail density increases from medium to high, the number of algal species decreases
• E) both as snail density increases from low to medium, the number of algal species increases and as snail density increases from medium to high, the number of algal species decreases

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