In the Lotka-Volterra model of competition, coexistence between species 1 and species 2

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#Question id: 9186

#Section 2: Evolution

A pathogenic fungus invades a plant. What does the infected plant produce in response to the attack?

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#Question id: 12677

#Section 5: Applied Ecology & Evolution

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?

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#Question id: 11411

#Section 5: Applied Ecology & Evolution

Vulnerability to extinction can be linked to species following characteristics. Which of the following statement are correct?

 A. Rare species are more prone to extinction than common ones.

 B. Species that are capable of migrating between fragments of habitat, such as between mainland areas and islands, may be more resistant to extinction

 C. Organisms that are specialists are more likely to go extinct

 D. Species with naturally long life spans may be more likely to become extinct

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#Question id: 8927

#Section 2: Evolution

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that

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#Question id: 10248

#Section 4: Behavioural Ecology

Factors involved in an animal’s foraging "strategy" are