Download Plant and Animal Structure Unit

Plant Structure Unit
Mrs. Krajewski
Plant Characteristics
Plant Cells


Plants are made a
small building
blocks called cells.
Different parts of a
cell do different
jobs.
Ex: some cells may
have the job of
making food for the
plant
CELLS

All plants are made
up of cells.
CELLS: Make up a
plant. Cells are
organized into
tissue and tissue is
organized into
organs.
What do plants need to survive?
Plants need:
•Sunlight
•Water
•Carbon
dioxide
•Minerals
from the
soil
Make a 4 fold!
Plant Habitats:

Habitats
Plants live in many
different habitats.
Some can survive in
extremely cold or hot
weather. Some plants
such as lilies can
grow in water by
using the soil at the
bottom of a pond!
Photosynthesis



The process of
making the sugar,
which is the food the
plant needs to
survive.
Plants make their
own food!
Let’s read pages 48
and 49!
Chorophyll
Photosynthesis takes
place in chloroplasts
of leaf cells.
 Chloroplasts contain
chlorophyll.
 “chloro” is a Greek
word for “green”.
Chlorophyll makes
plants green in color.
 Chlorophyll captures
energy from sunlight.

Check Point Questions:

What are the 3 characteristics
of plants?

In what part of a plant cell does
photosynthesis occur?
Questions – Text p. 49
Parts of a Plant
The Main Parts of
a Plant:
1.Roots
2.Stems
3.Leaves

Roots:
Grow downward in
the soil.
a)
Function:
1. absorb water
from the soil.
2. absorb
nutrients from the
soil.
3. hold the plant
in place
Roots
4. roots in some
plants store food.
1.
2.
3.
Taproots have one
lard root (ex:
dandelions, carrots,
and parsnips).
Fibrous Roots spread
out and no one root is
larger or important
than another.
Root Hairs:
threadlike cells on a
root that take in water
and minerals. Most
roots have root hairs.
Types of Roots
Tap Roots
Fibrous Roots
Root Hairs
Stems

What is a stem?

A stem grows above
ground level.
1.
Carry water ,
minerals, and
nutrients from the
roots to the
leaves.
2.
Support leaves
and flower.
Stems
What is its
function?
1. Woody Stems:
Are found in larger
plants to give the
plant extra support.
Types of Stems
Woody Stems
Soft, Green Stems
2. Soft, Green stems:
Are found in smaller
plants like the
strawberry plant or
daisies.
Types of Stems
Woody Stems
Soft, Green Stems
Leaves

What is a leaf?

The main foodmaking part of a
leaf.
1.
2.
3.
4.
Leaves
Main Parts:
Veins
Epidermis
Chlorophyll
Stomata

Veins: are bundles of
tubes that carry
water to the leaf and
food from the leaf to
the stem and roots.

Chlorophyll: is a
green substance
which traps the sun’s
energy; which is used
to make food.

Epidermis: is the
protective layers that
keeps the leaf from
drying out and losing
water.

Stomata: are tiny
openings on the
bottom side of the
leaf, which allows gas
and water vapor to
pass in and out.
Veins, Epidermis, Chlorophyll, and
Stomata
Leaves
Types of Leaves:
1.Pinnate
Leaves
2.Palmate
Leaves
Pinnate:
Have parallel veins
(running the same
direction).

Example: grass,
corn, tulips, and
onions.
Pinnate Leaves
GRASS LEAVES
ONION LEAVES
TULIP LEAVES
CORN LEAVES
Grass, corn, tulips, and onions.

Palmate:
Have veins that
branch out from the
center of the leaf.
Ex: maple, rose, and
poinsettia leaves.
Palmate Leaves
MAPLE
ROSE
POINSETTIA
Maple, rose, or poinsettia?
PINNATE LEAVES
PALMATE LEAVES
What type of leaf is it?
1.
2.
3.
4.
5.
PICK A STATE
FIND THE STATE FLOWER
WRITE ONE FACT ABOUT THE STATE FLOWER
DOES IT HAVE PINNATE OR PALMATE LEAVES?
PRINT OR DRAW A PICTURE
homework
Relate to Social Studies
Life Cycle of a Flowering Plant
Cycle:
1.Seeds
2.Seedlings
3.Mature
Plant
4.Flowers
5.Fruit
6.Seed
Part 1
Seeds: an
underdeveloped
plant with stored
food sealed in a
protective
covering, seed
coat. Ex: coconut
seed
Part 2
Seedlings: the
germination of a
seed sprouting
into a new,
young plant.
Part 3
Mature Plant:
the plant has
grown enough to
produce its own
seeds.
Part 4
Flowers: the
mature plant will
produce flowers
that will be
pollinated by
insects or wind.
Part 5
Fruit: the ovary
of some flowers
will grow into
fruit which
surrounds the
new seed.
Ex: apples and
peaches.
Part 6
Seed: the ovary
of some flowers
become seeds or
seed pods.
Ex: apples and
peaches.