basic unit of life
selectively permeable phopholipid bilayer surrounding the cell
explanation of observations about cells
large organelle containing most of the genetic information and directs cell activities
type of cell which do not have internal membranes, bacteria cells are an example
internal structures of a cell
type of cell which have internal membrane-bound organells. Organisms with this type of cell, animals, plants, fungi, protista.
a collection of genetically identical cells livining in a closely connected group, volvox the green algae is an example.
twoor more types of tissues interacting to perform a specific function; examples, heart, bones, intestines
a group of organs which work together to perform tasks; example, circulatory
2 or more different types of cells carrying out a specific function; examples... muscle, nerve, connective, epithelial
organisms made up of more than one cell
organisms consisting of one cell