17 terms

Cells and Microorganisms

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Cell
the basic unit of structure and function in all living things
organism
a living thing
tissue
a group of cells that works together to perform a certain function
organ
a group of tissues that work together to perform a certain function
organ system
a group of organs that work together to do a job for the body
nucleus
main control center for the cell and acts kind of like the cell's brain
cytoplasm
jelly that fills the inside of a cell, helps hold the cell's organelles in place
cell membrane
the thin outside layer that surrounds the cytoplasm of a cell and controls the movement of materials into and out of the cell
cell wall
usually rigid wall that surrounds the membrane of plant cells
chloroplast
work to convert light energy from the Sun into food for a plant cell
microorganism
an organism that is too small to be seen with the unaided eye
bacteria
a single-celled organism that lives on, in, and around most living and nonliving things
mold
a kind of fungus that occurs on food or in a home or other warm moist conditions
protist
a single-celled or multi-celled organism that shares traits with plants or animals
harmful
not good for, bad, can hurt
beneficial
helpful, good
fungus
an organism that must live in or on plants, animals, or decaying material
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