The feeding relationships among the species in a community determine the community'sa. secondary succession.b. ecological niche.c. species richness.d. trophic structure.

What happens to the number of species in a community as the area of that community increases?

The potential evapotranspiration is determined by __________.

Which of the following is the definition of a pathogen?

What is a zoonotic pathogen?

Based on the intermediate disturbance hypothesis, a community's species diversity is increased bya. frequent massive disturbance.b. stable conditions with no disturbance.c. moderate levels of disturbance.d. human intervention to eliminate disturbance.

According to the island equilibrium model, species richness would be greatest on an island that isa. large and remote.b. small and remote.c. large and close to a mainland.d. small and close to a mainland.

Pioneer species tend to have high and lower survivorship.

According to the generalized species-area curve, when habitat is reduced to 50% of its original size, approximately of the species once present there will be lost.a. 10%;b. 25%;c. 50%;d. 90%;e. it is impossible to estimate the percentage