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Devin Branstner Chapter 3 Vocab
Chapter 3 Vocab
25
Science
8th Grade
09/24/2015

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Term
tissue
Definition
a group of cells that work together to perform a specific job in the body
Term
organ
Definition
when two or more tissues work together to perform a specific job
Term
organ system
Definition
when organs work together in groups tp perform particular jobs
Term
organism
Definition
anything that can live on it's own
Term
unicellular
Definition
If a single cell is living on it's own
Term
multicellular
Definition
if you can  exist only as a group of cells and that most of your cells and that of your body
Term
population
Definition
group of organisms that are of the same kind and that live in the same kind and that live in the same area
Term
community
Definition
two or more different populations living in the same area
Term
ecosystems
Definition
the community and all of the nonliving things that affect it, such as water, soil, rocks, temperature
Term
cell membrane
Definition
a barrier between the inside the inside of the cell
Term
organelles
Definition
all cells have chemicals and stuctures that enable the cell to live, grow, and reproduce
Term
cytoplasm
Definition
the chemicals and structures of a cell are surrounded by fluid
Term
nucleus
Definition
membrane- covered organelle that holds the cell's DNA
Term
prokaryotic
Definition
cells without a nucleus
Term
eukaryotic
Definition
cells with a nucleus
Term
bacteria
Definition
prokaryotic cells are called this
Term
cell wall
Definition
pprovides strength and support to the cell membrane
Term
ribosome
Definition
amino acids are hooked together to make proeins at very small organelles
Term
endoplasmic reticolum
Definition
a mebrane covered compatment that makes lipids and other materials for use inside and outside the cell
Term
mitochondria
Definition
Term
chloroplast
Definition
Term
Golgi complex
Definition
Term
vesicle
Definition
Term
vacuole
Definition
Term
lysome
Definition
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