What does life require

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