5 Written Questions

1. An immediate increase in the amount of algae and other producersthat results from a large input ofa limiting nutrient.
2. Organism that feeds on plant and animal remainings and other dead matter
3. Group of similar organisms that can breed and produce fertile offspring.
4. Chemical substance that an organism requires to live
5. Single nutrient that either is scarce or cycles very slowly, limiting the growth of organisms in an ecosystem

5 Matching Questions

1. Chemosynthesis
2. Ecological Pyramid
3. Transpiration
4. Ecosystem
5. Herbivore

1. a Loss of water from a plant through its leaves
2. b Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates.
3. c Organism that obtains energy by eating only plants
4. d Collection of all the organisms that live in a particular place, together with there nonliving environment.
5. e Diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web

5 Multiple Choice Questions

1. Organism that can capture energy from sunlight or chemicaols and use it to produce food from inorganic compound; also called autotroph.
   1. Consumer
   2. Producer
   3. Biosphere
   4. Food Web
2. Assemblage of different populations that live together in a defined area.
   1. Ecology
   2. Omnivore
   3. Community
   4. Consumer
3. Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem.
   1. Food Chain
   2. Producer
   3. Food Web
   4. Consumer
4. Organsim that obtains energy from the foods it consumes; also called a consumer
   1. Heterotroph
   2. Autotroph
   3. Detritivore
   4. Herbivore
5. Organism that obtains energy by eating animals
   1. Carnivore
   2. Omnivore
   3. Detritivore
   4. Herbivore

5 True/False Questions

1. Decomposer → Collection of all the organisms that live in a particular place, together with there nonliving environment.

   True        False

2. Photosynthesis → Process by which some organisms, such as certain bacteria, use chemical energy to produce carbohydrates.

   True        False

3. Population → Group of individuals of the same species that live in the same area.

   True        False

4. Nitrogen Fixation → Process of converting nitrogen gas into ammonia

   True        False

5. Trophic Level → Step in a food chain or food web

   True        False