Exam 14: Predation and Herbivory

The colour pattern and texture of the body of a horned lizard (Phrynosoma platyrhinos) allows it to blend into the ground of the desert in which it lives. This is an example of

In rocky shore communities in which sea urchins lived among populations of brown algae and other species of algae, sea urchins were experimentally removed. What happed in response to sea urchin removal?

What does it mean when scientists set the alpha at .05 for a statistical test?

In a functional response

Experiments with fences that exclude deer and other plant herbivores from grazing showed greater plant biomass in fenced areas than in unfenced control areas. The few plant species that remain in unfenced areas are those that

Wolves hunt in packs that chase down their prey. This is an example of

Predators that live in the Canadian tundra and feed on larger herbivores tend to have _____ population cycles, and predators that feed on smaller herbivores tend to have _____ population cycles.

The biocontrol species cactus moth (Cactoblastis cactorum) has not been able to eradicate the invasive prickly pear cactus from Australia because

Plant alkaloids act as chemical defence against herbivory because

The scarlet king snake (Lampropeltis elapsoides) found in the eastern United States has similar colouration to that of the poisonous eastern coral snake (Micrurus fulvius). This is an example of

Simultaneous examination of predator and prey population trends is called a

For some predators, as prey density increases, the rate of consumption slows and eventually levels off with satiation. This is a type _____ functional response.

A species has been transplanted to a region of the world where historically it did not exist. It spreads rapidly and harms native species. This is known as

Top predators are predators that eat

At the equilibrium isocline the population of predators

In Lotka-Volterra models of predator-prey interactions, c represents