Living things that eat dead organisms
decomposer
group of a same species living in the same place
population
A diagram that shows how the different food chains connect
food web
The most basic parts of an ecosystem
living and non-living things
Role of an organism in a habitat
Niche
System made up of living things and their enviroment
Ecosystem
Does a tree have an open or closed system?
Why?
Open
Takes in water, nutrients, and carbon dioxide
Puts out oxygen
Deepest part of the ocean
open-ocean zone
Place that meets an organism's needs
Habitat
Group of parts that work together as a unit
System
The three levels of a food chain
decomposer, producer, and consumer
Ecosystems must have ________, __________, and _______ for animals to survive
food, shelter, space
Group of organisms living together and interacting
Community
Average weather over time
Climate
Natural systems have patterns that give them _________ and allow them to continue
stability
Narrow strip of land that is covered by ocean water during high tide
intertidal zone
Property of a system in balence
Stability
amount of salt in something
salinity
The transfer of energy is a ________
Cycle
A population is part of a __________
community