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Bell ringer INB pg. 24
Mark the text: Textbook pgs. 107 – 114
Assign:
Roman numerals - Red topics
Letters – Blue subtopics
Cardinal #s – paragraphs
Circle – highlighted words
Underline –definitions in italic font
Square – to a picture or pictures that caught your eye!
Quote of today
Essential Question:
How does differentiation lead to the organization
within a multi-cellular organism?
Today’s Objective:
Describe the patterns in the hierarchical organization
of organisms.
Living things are broken down in to 8 levels
from smallest to largest.
Atoms
Molecule
Organelle
Cells
Tissues
Organs
Organ systems
Organisms
Mark the text: Textbook pgs. 107 – 114
Complete Cornell notes
Living things are broken down in to 8 levels
from smallest to largest.
1. Atoms: All things are made up of atoms.
2. Molecule: Two or more atoms
together. Ex: A water molecule is made up
of 2 hydrogen atoms and 1 oxygen atom.
3. Organelle: Organelles are parts of a cell
that have certain roles to help the cell to
properly function. Examples: nucleus,
cytoplasm, endoplasmic reticulum
The cell is the basic
unit of structure and
function of a living
thing.
Cells are specialized by
size and shape for the
job they do
The amoeba above is
made of only one cell
and it must perform all
the jobs of the
organism.
Levels of Organization
T I S S U E S
Tissues are made of the same type of cells
grouped together to do a specific job.
Examples: 4 different types of animal
tissues are epithelial, muscle, nervous, and
connective. This pink sponge has only
cells but they are not organized into
tissues. The blue Man-o-war has tissues
but no organs.
Organs
Organs are made up of different tissues
that work together to do a job.
Example: a heart is an
organ made of all four
tissues, this coral polyp
is an organ and a leaf is a
plant organ.
Organ Systems
An organ system is a group of
organs working together.
Example: Human organ systems include
circulatory, reproductive, digestive, nervous,
respiratory.
Plant organ system-roots, stems,leaves=
transport system.
Organisms
Sum of all cells, tissues, organs and organ
systems makes an organism.
Levels of Organization
INB pg. 26
• Complete, add colors, trim it, and tape to
your notebook pg. 26