any living thing

a protective layer that covers the cells surface and acts a barrier between the inside of the cell and the cells environment

FLUID in the cell

Organisms whose cells do not have a nucleus are called _____.

The densely packed area of a cell that has the DNA and controls the cell's activities.

Bacterias are...

a small body in a cells cytoplasm that is specialized to preform a special function

an organism made up of cells that contain their dna in a nucleus

a group of organisms that are very closely related

includes similar species

represents the largest difference among organisms

a single celled or multicellular organism

multicellular organisms that have cell walls mostly made of cellulose

heterographs,cell walls contain chitin

multicellular organisms that lack cell walls

made of prokaryotes that reproduce by cell division

made up of prokaryotes that usually have cell walls and reproduce by cell division