Transcript What makes up living things? - Life Science with Ms. Sarkaria

What makes up living things?
Speaking of which, what
defines a living organism?
Introduction to Cells
Unit 1 - 22/23 August 2012
Characteristics
Definition
Organism
Examples
Nonexamples
Characteristics1. Organization
2. Grows, develops, reproduces
3. Made up of one or more cells
4. Needs energy and responds to
environment
Definitiona living thing
Organism
Examplesyou, me, dogs,
fungus, plants,
bacteria
Nonexamplesrocks, dirt, water
Unicellular
vs.
Multicellular
Where do cells come
from?
1660- Robert Hooke
1670 - Anton van Leeuwenhoek
1800s - Louis Pasteur, cell theory
vs. spontaneous generation
http://202.204.115.67/jpkch/jpkch/2008/wswx/chapter%201.htm
Is every cell the same?
Cells
Cells
Prokaryote
-no organelles
-mostly unicellular
Eukaryote
-organelles
-mostly multicellular
Plant
Animal
What is an organelle?
Organelle = any part of
the cell enclosed in the
membrane
http://www.schooltube.com/video/996ead6b48924150f
cf1/
Homework: Watch Both
Video Links on Website
(Check Weekly Work)