Animal originates from what language?
Latin
Animal excludes what species?
humans
To which kingdom does it refer?
Animalia
Animals have which type of cells?
eukaryotic cells
What makes up their matrix?
collagen and elastic glycoproteins
What structures form if these components calcify?
shells, bones, and spicules
Do plants have the same cell characteristics?
No
What holds plant cells together?
cell walls
How do plant cells develop?
progressive growth.
What characteristics are specific to animal cells?
intercellular junctions