Transcript Levels of Organization

Levels of
Organization
of Life
Presentation based on one from http://people.hofstra.edu/geotrans/eng/ch8en/conc8en/envisys.html
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
GAIA
ATOMS
• Smallest part of matter
• NON-living
Molecules
• 2 or more bonded atoms
• Form compounds
• NON-living
Organic molecules
carbohydrates,
proteins,
lipids and nucleic acids.
Inorganic molecules
Water,
Salts
And vitamins.
Macromolecule
• Very large molecules
•NON-living
Organelles
• “Tiny organs”
• Made of macromolecules
Cell
• Made of organelles
• Basic unit of structure & function
• LIVING
Tissue
• The same kind cell working together
• Living
A tissue is a group of cells of similar
structure that perform a shared function
Tissues found in the leaf
Animal tissues
muscle
upper epidermal
tissue
palisade mesophyll
tissue
spongy mesophyll
tissue
lower epidermal
tissue
Cross-section of a leaf
nervous
Slide taken from clickbiology.com
:
Organs
• Tissues that work together
• Living
An organ is a structure made of a group of tissues
working together to perform specific functions
heart
lungs
stomach brain
liver
kidneys
Plant organs include the stem and the leaves
Slide taken from clickbiology.com
An organ system is a group of organs that
coordinate to perform related functions
lymphatic
system
digestive
system
respiratory
system
reproductive
system
excretory
system
endocrine
system
skeletal
system
muscular
system
nervous
system
circulatory
system
In plants the shoot is an organ system consisting of
leaves and the stem
Slide taken from clickbiology.com
Systems
• Organs that work together
• Living
Organism
• Entire living things
(organisms)
• Usually made of
systems
• May be a single cell
• Living
http://israel-biologialacelula.blogspot.com/
What type of organism is this?
Unicellular or pluricellular?
Population
• Same type of
organism living
together
Community
• Several populations living together
• Population interact
Ecosystem
• A biotic (living) community plus the
abiotic (nonliving) features
Biome
• Similar ecosystems on earth together
Ecosphere
• Whole living layer around the globe
• Includes abiotic features
De: http://loqueheaprendidode.blogspot.com/2011/02/de-gaia-mi-dialogo-n-32-congaia-un.html
Who is GAIA?
Image from
Sandra Ingerman's Blog
Who is GAIA?
• In Greek mythology, Gaia was a Titan who
personified Earth. She was the mother of
several later Titans, including Cronus, Rhea,
Iapetus (father of Atlas), and Oceanus. She
was worshipped as the Earth mother
goddess.
•
http://robinfowler.suite101.com/who-is-gaia--a11020#ixzz1YJfggRBL
Can you write the
levels of
organization of
life?
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
Now, say an example of
Atom
Molecule
Macromolecule
Organelle
Cell
Tissue
Organ
System
Organism
Population
Community
Ecosystem
Ecosphere
•
http://1.bp.blogspot.com/-u6U98UbaBjA/TViHmtnm_I/AAAAAAAAEqg/YARN9kC4PPY/s1600/Green%252BEarth%252BEcology%252BwAl%252Btangledwing.png
•
www.Biodeluna.wordpress.com
Based on: http://people.hofstra.edu/geotrans/eng/ch8en/conc8en/envisys.html with some slides
added from clickbiology.com plus personal adds.