a group of similar cells that work together to perform a specific job in the body
a combination of two or more tissues that work together to perform a specific function
a group of organs working together to perform body functions
anything that can independently carry out life processes
made of a single cell
made of many cells
a group of individuals of the same species that live together in the same area at the same time
all of the populations of different species that live and interact in an area
a community of organisms and their non-living environment
heart, leaf, stomach
examples of organs
a microscope that contains only one lens
the basic unit of living things
uses more than one lens to magnify an object
the ability to distinguish individual parts
a lens that is thicker in the center that at the edges
uses a beam of electrons instead of light to create a magnified image
making an object appear larger than it really is
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