5 Written Questions

1. When enviornmental conditions change rapidly and enough species cannot adapt to the change.
2. Impact x Affluence x Technology x Sensitivity factor. The sensitivity factor can be added to the equation to denote how sensitive a given environment is to human pressures.
3. species with broad tolerances
4. Second stage.Death rates decline and birth rates remain high.
5. Widely accepted, well - tested explanation of one or more cause- and - effect relationships that has been extensively validated by a large amount of research.

5 Matching Questions

1. detritivores and decomposers
2. biodiversity
3. commensalism
4. density - dependent
5. tropical dry forest

1. a Consume nonliving organic matter.
2. b The sum total of all organisms in an area, taking into account the diversity of species, the diversity of populations within a community, and the diversity of communities within an ecosystem.
3. c Factors waxes and wanes according to population density.
4. d Occurs when one organism benefits and the other is unaffected.
5. e Tropical areas that are warm year-round but where rainfall is lower overall and highly seasonal give rise.

5 Multiple Choice Questions

1. Competing species that live side by side at a certain ratio of population sizes may reach a stable quilibrium point.
   1. percentage difference
   2. science
   3. life expectancy
   4. species coexistence
2. a group of organisms of the same species that live in the same area
   1. competition
   2. population
   3. predation
   4. Mutations
3. Pollute water, land and air.
   1. tertiary consumers
   2. resistance
   3. Natural Science
   4. artificial chemicals
4. Occurs when one member of an interaion exploits another for its own gain.
   1. predation
   2. sex ratio
   3. Speciation
   4. exploitation
5. Visual map of feeding relationships and energy flow, showing the many paths by which energy passes among organisms as they consume one another.
   1. treatment
   2. food web
   3. desert
   4. Species

5 True/False Questions

1. Frederick Clements → Promoted the view that communities are cohesive entities whose members remain associated over time and space.

   True        False

2. Variable → In an experiment, a condition that can change. See dependent and independent variable.

   True        False

3. k-selected → species that devote large amounts of energy and resources to carry for a few offsprings

   True        False

4. interdisciplinary field → A field that borrows techniques from several more traditional fields of study and brings together research results from these fields into broad synthesis.

   True        False

5. treatment → Process by which an individual of one species, hunts, captures, kills, and consumes individual of another species, its prey.

   True        False