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Download Organisms in their Environment Study Guide
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Organisms in their Environment Study Guide 1. At what level of organization in an ecosystem is an individual plant or animal? _________________ 2. Correctly list the levels of organization from least complex to most complex? Least complex: ________________________ ________________________ ________________________ Most Complex: ________________________ 3. Define abiotic factor: ______________________________________________________________ Examples: ______________________________________________________________________ 4. Define biotic factor: _______________________________________________________________ Examples: ______________________________________________________________________ 5. Describe the community level of organization of a rabbit? _________________________________ ________________________________________________________________________________ ________________________________________________________________________________ 6. Define the community level of organization. ___________________________________________ ________________________________________________________________________________ 7. Describe a change to an abiotic factor of a squirrel’s habitat that could be harmful to it? _________ ________________________________________________________________________________ ________________________________________________________________________________ 8. Describe an abiotic factor that makes up part of a desert habitat? ___________________________ ________________________________________________________________________________ 9. Describe a change in a biotic factor that will be a disadvantage for a certain species of fish living around coral reefs in shallow seas? ____________________________________________________ ________________________________________________________________________________ 10. Ecosystem is the level of organization that is best described as: __________________________ ________________________________________________________________________________ 11. Give an example of an interaction between a biotic factor and an abiotic factor? ______________ ________________________________________________________________________________ 12. Meat-eating desert reptiles depend on what biotic factors to supply their needs? ______________ ________________________________________________________________________________ 13. One coastal cholla cactus can house the nest of the cactus wren containing three adults and up to four young. Five cholla cacti are counted in a study area. What is the maximum number of wrens that could nest in the area? _______________ 14. Define population. ______________________________________________________________ ________________________________________________________________________________ 15.What is the lowest level of organization of the biosphere, or the one that has the fewest members? ________________________________
