Exam 5: Biodiversity, Species Interactions, and Population Control

Which of the following is said to occur when one organism feeds on another organism by living on or in the other organism?

In _______________ two species behave in ways that benefit both by providing each with needed resources.

Considering the different types of interactions mentioned at the beginning of the chapter, what kind of relationship do you think we have with most of the natural world?

____________________ involves the gradual establishment of biotic communities in lifeless areas where there is no soil.

Which of the following exhibits secondary ecological succession?

The most common form of population dispersion found in nature is ____________________.

A population will most likely increase if it is made up mostly of individuals in the 'reproductive' or 'near reproductive' stages.

Individuals in populations with a high intrinsic rate of growth typically reproduce ____________________ and have short ____________________ times.

Use the Figure above to answer the following question(s). -Choose the portion of the graph that represents the number of reindeer that can be sustained indefinitely in a given area.

Using a small rodent, such as a field mouse, and a predator, such as a snake, explain how coevolution works.

The ability of a living system to survive moderate disturbances is called

Grasslands have a high resilience and therefore can quickly recover following a fire.

Which of the following would exhibit primary succession?

____________________ is like an arms race between interacting populations of different species.

Use the Figure above to answer the following question(s). -Choose the letter that represents limiting abiotic factors.

Use the Figure above to answer the following question(s). -Choose the letter that represents when resources are not limiting and a population can grow at its intrinsic rate of increase.

Which of the following is not a limiting factor for populations in aquatic life zones?

When two different species interact over a long time, changes in the gene pool help both species to become more competitive or avoid competition. This is called _______________,

Which of the following is said to occur when members of two or more species interact to gain access to the same limited resources?

An example of top-down population regulation in predator-prey species is predation.