Warm-Up
• How are plants and animals the
same?
• How are plants and animals
different?
• Based on your reading and your
work from yesterday, do you think
that plant cells and animal cells
contain the same structures?
• Using page 41 in your Science Book……
– Observe the plant cell and animal cell
– Determine which structures a plant cell has
that are not found in animal cells.
• Turn to page 45 in your Science Book……
– Read page 45 and Answer Question #3 at the
bottom of the page.
– Copy the picture on page 45 in your
notebook
Writing Prompt
• There are differences between the structures
of the cells of plants and animals. Explain why
a plant cell needs a cell wall and chloroplast
but animals cells do not?
• At LEAST 5 complete sentences.
Warm-Up
• List the 7 organelles & next to
each one indicate whether it can
be found in plant cells, animal
cells, or both.
Bell Ringer- Nov. 5, 2012
• Explain Diffusion &
Osmosis.
• Draw a picture to
represent diffusion.
Warm-Up
•What’s the difference
between plant cells and
animal cells?
Cells
Like a factory……….
Animal
Plant
Cells Different Types, draw and label
parts
• Cells are the smallest LIVING unit of life!
Cells
• smallest unit of life that is capable of
performing life functions
COMPARING CELLS
• The size & shape of a
cell relates to its
function. (job it does)
Cells
contain…..
Organelle
• Cell structure that carries out specific cell
functions
Organelles to learn…..
•
•
•
•
•
•
•
Cell Wall
Cell Membrane
Cytoplasm
Nucleus
Vacuole
Chloroplasts
Mitochondria
Plant Cells Have
• Chloroplast-with chlorophyll (makes them
Green)
• Cell Wall
• LARGE vacuole
• Cytoplasm
• Mitochondria
• Cell Membrane
• Nucleus
Animal Cells have
•
•
•
•
•
Small (if any) vacuoles
Cytoplasm
Mitochondria
Cell Membrane
Nucleus
Think…..
• Why would animal cells not need a cell wall,
what do humans/animals have for support
that plants don’t.
• Why would Plants need a LARGE
vacuole…how do humans/animals get
food/water vs. plants
• Why do plant cells have chloroplasts?
Plant Cell Vs. Animal
PLANT CELL
ANIMAL CELL
Rigid structure due to cell wall provides
support
No Cell wall, edges are wiggly
Has CHLOROPLASTS, where chlorophyll
makes food, Usually green in color
Doesn’t make food, no chloroplast
Has LARGE VACUOLE, helps to provide
shape and hold nutrients until next rain
Small or no vacuoles present, can get
food/water when needed
CELL WALL
•
•
•
•
•
Found ONLY in plant cells!
protects the cell
gives shape
is made of cellulose
A cell wall is found in plants, algae, fungi, &
most bacteria.
CELL MEMBRANE
• Outer covering,
protective layer around
ALL cells
• For cells with cell
walls,the cell membrane
is inside the cell wall
• Controls what enters and
leaves a cell
Diffusion
• One way materials move across the cell
membrane
– Molecules of sugar or water
• Molecules- smallest particle of a substance
with the properties of that substance
• Move from higher concentration to lower
concentration
Osmosis
• Diffusion of water across a membrane
CYTOPLASM
• gel-like inside cell membrane
• Made of mostly water
• Organelles embedded
In the cytoplasm
NUCLEUS
• Control center of
the cell
• Contains genetic
material (DNA)
VACUOLE
• Temporary storage center
• Some store water
• Others store waste products until they can be
eliminated (or expelled/released) from the cell
CHLOROPLASTS
• Found ONLY in plant cells!
• Sites where photosynthesis takes place
• Contain chlorphyll used to make food
MITOCHONDRIA
• Energy producing sites of the cell
• “powerhouse” of the cell
• Where respiration takes place
Rubric for Plant Cell Travel Brochure
• You must make a travel brochure of a plant cell. Your
travel brochure must include:
• 7 vocabulary words(Cell Wall, Cell Membrane, Cytoplasm,
Nucleus, Vacuole, Chloroplast, and Mitochondria) Each
word has to represent something at whatever park, mall,
or game you come up with.
• 5 points per word
• Definitions or explanations of each of the words
• 5 points per definition
• Colored Drawing of the Plant Cell
• 25 points for colored picture
• * 5 points for having it on copy paper
•