5 Written Questions

1. a close relationship between two species that benefits at least one of the species
2. Leaving a population
3. all the members of one species in a particular area
4. the nonliving parts of a habitat
5. a species that influences the survival of many other species in an ecosystem

4 Multiple Choice Questions

1. moving into a population
   1. population
   2. emigration
   3. pollution
   4. immigration
2. the contamination of Earth's land, water, or air
   1. population
   2. community
   3. emigration
   4. pollution
3. the living parts of a habitat
   1. biotic factors
   2. abiotic factors
   3. biodiversity
   4. immigration
4. The study of how living things interact with each other and their environment
   1. niche
   2. pollution
   3. ecology
   4. community

4 True/False Questions

1. community → the contamination of Earth's land, water, or air

   True        False

2. niche → the role of an organism in its habitat, or how it makes its living

   True        False

3. biodiversity → the number of different species in an area

   True        False

4. natural selection → Leaving a population

   True        False