Don't have Cell walls. Multicellua
feed and feed on other organisms
Plants
Have cell walls they use light energy
to produce food by photosynthesis
Fungi
Cells have chitin walls
reproduce using spores
Prokaryotes
Have cells walls but not made of cellulose.
Don't have a nucleus
Protoctists
Exist as single cells or
colonies of single cells.
Biotic
Living things
Organic matter
Abiotic
Non-Living things
E.g. Sunlight
Sub-kingdoms and how to
classify and species for a lion it
would be
Kingdom -animal
Phylum -vertebrate
Class -mammal
Order -carnivorus
Family -cat
Genus -big cat
Species -lion
Extremophiles
are organism that live in
very extreme environment
Examples are high temp,
high concentration of salt
water and high pressure
Ecosystems
Ecosystem are physical environments with
a particular set of conditions (abiotic
factors), plus all the organisms that live in
them (biotic factors
Adaptation, organisms are adapted to
survive over many generations involves
small changes between organisms which
allow it to survive better. These changes
can be internal or external