What does life require
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Example of organism that requires a lot of water
fish, whale
what living things need.
food, water, oxygen, and living space
heterotroph
get energy by eating other organisms.
autotrophs
get energy from inorganic (non-living) sources like sunlight and chemicals. ex. euglena (energy from sunlight) bacteria & tubeworms (from chemicals)
decomposers
heterotroph that eat decaying matter
organism
a living species. ex humans
inorganic
a non living thing. ex rock.
anaerobic
an organism that doesn't need oxygen.
Example of organism that requires little water
camel
How is oxygen used by organisms?
convert food into energy
Respiration
o2+water+sugar=energy