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Chapter 18
Review Sheet
Study of the interactions of living organisms and their environment ecology
Different organisms living in a particular place community
Organisms, soil, weather, water, energy make up an ecosystem
Organisms linked together that depend on each other interdependence
What an organisms eats, where it lives etc… is it’s: niche
Where an animal lives
habitat
How can organisms deal with unfavorable conditions? Dormancy Migration Regulate body temp.
Grasses, trees, plants photosynthetic algae are producers
“Special” name for ALL of the cycles
biogeochemical
Parts of the water cycle
Evaporation Condensation Precipitation Transpiration
How can humans affect the carbon cycle? Fossil fuels Clearing forests Killing plants
An organism that CANNOT regulate their internal conditions conformer
An animal that CAN regulate their internal conditions regulator
Organic material that is made in an ecosystem biomass
Meat eaters
carnivore
Plant eater
herbivore
Bacteria that break down dead tissue
decomposer
Interrelated food chains
Food web
One way path of feeding relationships
Food chain
As you move up the trophic levels _________ is lost Energy (lost as heat)
Two main parts of the carbon cycle
Photosynthesis Respiration
Water in the soil is
Groundwater
The conversion of nitrogen gas to nitrate by the action of bacteria is Nitrogen fixation
Short Answer
Give an example of: (4 Points) Can wildcard parts
Producer:
Consumer:
Herbivore:
Carnivore:
What is the difference between a niche and a habitat? (2 points)