Cells Ch 1-1

17 terms by sdikkers 

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tissue

a group of similar cells that work together to perform a specific job in the body

organ

a combination of two or more tissues that work together to perform a specific function

organ system

a group of organs working together to perform body functions

organism

anything that can independently carry out life processes

unicellular

made of a single cell

multicellular

made of many cells

population

a group of individuals of the same species that live together in the same area at the same time

community

all of the populations of different species that live and interact in an area

ecosystem

a community of organisms and their non-living environment

heart, leaf, stomach

examples of organs

simple microscope

a microscope that contains only one lens

cell

the basic unit of living things

compound microscope

uses more than one lens to magnify an object

resolution

the ability to distinguish individual parts

convex lens

a lens that is thicker in the center that at the edges

electron microscope

uses a beam of electrons instead of light to create a magnified image

magnification

making an object appear larger than it really is

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