Questions from Ecology

Q: Janzen (1985) encouraged ecologists to take a more experimental approach

Janzen (1985) encouraged ecologists to take a more experimental approach to the study of mutualistic relationships. Outline the details of Janzen’s own experiments on the mutualistic relationship betw...

Q: Inouye and Taylor’s study (1979) of the relationship between ants

Inouye and Taylor’s study (1979) of the relationship between ants and the aspen sunflower, Helianthella quinquenervis, provides a reasonable representative of temperate ant-plant protection mutualisms...

Q: How are coral-centered mutualisms similar to plant-centered mutualisms

How are coral-centered mutualisms similar to plant-centered mutualisms? How are they different? The exchanges between mutualistic partners in both systems revolve around energy, nutrients, and protect...

Q: How did the studies of Douglas and Brunner complement the earlier studies

How did the studies of Douglas and Brunner complement the earlier studies of Clausen, Keck, and Hiesey?

Q: Outline the benefits and costs identified by Keeler’s (1981, 1985

Outline the benefits and costs identified by Keeler’s (1981, 1985) cost-benefit model for facultative ant-plant mutualism. From what perspective does Keeler’s model view this mutualism? From the persp...

Q: We included spatial refuges, predator satiation, and size in our

We included spatial refuges, predator satiation, and size in our discussions of the role played by refuges in the persistence of exploited species. How could time act as a refuge? Explain how natural...

Q: Outline how the honeyguide-human mutualism could have evolved from an

Outline how the honeyguide-human mutualism could have evolved from an earlier mutualism between honeyguides and honey badgers. In many parts of Africa today, people have begun to abandon traditional h...

Q: What is the difference between a community and a population? What

What is the difference between a community and a population? What are some distinguishing properties of communities? What is a guild? Give examples. What is a plant life-form? Give examples.

Q: How does feeding by urchins, which prey on young corals,

How does feeding by urchins, which prey on young corals, improve establishment by young corals? Use a diagram outlining interactions among urchins, corals, and algae to help in the development of your...

Q: Suppose you are a biologist working for an international conservation organization concerned

Suppose you are a biologist working for an international conservation organization concerned with studying and conserving biological diversity. On one of your assignments you are sent out to explore t...