ANSWERS A+ GRADED
Animals cell structure
multicellular organisms
cells lack cell walls
extracellular matrix for cellular support
unique cell functions
anchoring junctions
tight junctions
cell junctions
locations where cells are linked together
anchoring cell junctions
link cells to each other and extracellular matrix
- found where cells link together to form linings
- example (lining of small example)
tight cell junctions
form a tight seal between cells
- prevent material from leaking
- example intestinal lumen
heterotrophs
ingest their food
- suspension feeding
- bulk feeding
- fluid feeding
suspension feeding
filter food from surrounding water
bulk feeding
eat large pieces of other organisms
fluid feeding
sucking sap or animal body fluids
muscle tissue
unique to animals
nervous system
unique to animals
most animals capable of locomotion in at least
one stage of their life
most reproduce
sexually
most fertilization are internal
in terrestrial species
most fertilization are external
in aquatic species
direct vs indirect development