7 Written Questions

1. living component in the environment, ex. animals, plants, and bacteria
2. diagram that shows the feeding relationships in a community, arrows indicate the direction of energy flow
3. an organism that ingests other organic matter that is living or recently killed
4. earth
5. a group of populations living and interacting with each other in an area
6. a community and its abiotic environment
7. geographical area with definite animals, plants, and environment

6 Multiple Choice Questions

1. nonliving factor in the environment, ex. light, water, temperature
   1. abiotic
   2. habitat
   3. biome
   4. biotic
2. the division of species in an ecosystem on the basis of their main nutritional source, ex. producer, primary consumer, secondary consumer, etc.
   1. producer
   2. biosphere
   3. food web
   4. trophic level
3. a linear and simple feeding relation, where one organism has one type of food and is eaten by one type of organism
   1. producer
   2. food chain
   3. population
   4. food web
4. organisms that feed on dead organisms and products of living organisms, they secrete enzymes on these materials that cause decomposition and then absorb the resulting simple compounds into their bodies, ex. bacteria, fungi
   1. autotroph
   2. heterotroph
   3. producer
   4. saprotroph
5. a group of organisms which can interbreed and produce fertile offspring
   1. biome
   2. biotic
   3. species
   4. consumer
6. the environment which a species normally lives or the location of a living organism
   1. abiotic
   2. habitat
   3. biome
   4. biotic

6 True/False Questions

1. detrivore → organisms that feed by ingesting dead organisms, has moving mouth parts, ex. earthworms

   True        False

2. producer → produces food on its own, ex. plants

   True        False

3. heterotroph → a consumer, organisms that use energy in organic matter obtained from other organisms

   True        False

4. ecology → study of relationships between living and non-living organisms and thier envioronment

   True        False

5. autotroph → organisms that feed on dead organisms and products of living organisms, they secrete enzymes on these materials that cause decomposition and then absorb the resulting simple compounds into their bodies, ex. bacteria, fungi

   True        False

6. population → a group of organisms of the same species who live in the same area at the same time

   True        False