Exam 14: Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

In most laboratory experiments, predators and prey held together in simple habitats exhibit repeated cycles in population sizes.

Which statement about snowshoe hare and lynx populations in boreal Canada is false?

Which of the following is a correct graphical representation of the Lotka-Volterra predator-prey model?

Which of the following factors can stabilize predator-prey relationships by providing a prey refuge?

Which of the following is a result of infection of Arabis by the plant parasite Puccinia monoica?

A "negatively phototaxic" amphipod will swim

Which statement is not true of lynx and coyote predation of the snowshoe hare?

In the Lotka-Volterra predation model, a prey (host) population in the absence of predators would

Which of the following is not an example of altered behavior of the pill bug, Armadillidum vulgare, when infected by the parasite, Plagiorhynchus cylindraceus?

An organism inducing disease in its host is called a ______________.

Gause's experiments with Paramecium and Didinium showed

The standard error of the mean is equal to

Bethel and Holmes demonstrated

Calculate standard error given: mm, s = 6.2 mm, and n = 10.

The presence of parasitic protozoa in a culture of competing Tribolium castaneum and T. confusum

Periodical cicadas spend 13 or 17 years

A species feeding on the tissue of its host, while not killing it directly, is a

_______________________ is the idea that predators can have non-lethal effects on prey's behavior in which they avoid high-risk locations.

In the Lotka-Volterra model, the rate of predation is represented by

The Lotka-Volterra predation model predicts that predators and prey, living together, will show