An infected person is less likely to encounter a susceptible person when a large proportion of the members of the group are immune

#Question id: 11919

#Section 1: Ecology

Frequent disturbances could lead to failure of a community to reach a climax community as one seral stage keeps replacing itself, a condition known as

#Question id: 11766

#Section 2: Evolution

The population density of a particular insect species was determined to be 15,000 adults per hectare in the summer of 1996, 21,000 adults per hectare in the summer of 1997, and 29,400 adults per hectare in the summer of 1998.

What would you expect the insect population to be in the summer of 2000, assuming no change in λ?

#Question id: 11055

#Section 1: Ecology

Poison arrow frogs have brightly coloured skin patterns of blue, orange, yellow and red. This skin adornment is an example of what kind of defense against predation?

#Question id: 11930

#Section 2: Evolution

#Question id: 10693

#Section 1: Ecology

The diagram represents competition between species 1 and species 2 according to Lotka-Volterra model of competition

Given the conditions in the diagram, the predicted outcome of competition is