Parts of the Flower Lesson & Worksheet - My Schoolhouse - Online Learning
Look at the diagram of a flower below. Most flowers form
as a series of rings. The outer ring is made up of sepals.
Sepals are usually green and look like leaves attached to the stem at the
base of the flower. The colorful petals make up the next ring.
Inside the ring of petals in the center of the flower are the reproductive
parts of the plant. The stamens are the male reproductive
organs. Notice that each stamen has an anther on its tip. This
is where millions of tiny pollen grains are attached. The solid tube
called the pistil is the female part of the flower. The pistil
contains the ovary and egg/eggs.
The first step of fertilization is pollination.
Pollination is the movement of pollen from the anther to the sticky top of
the pistil. Birds and insects are responsible for pollinating many
flowers. They knock pollen off the anther and onto the pistil.
Rain and wind also aid in pollination.
A tube grows out of the pollen grain that is stuck to
the pistil. Inside the pollen tube is the sperm. The tube
grows down into the ovule, which is at the bottom of the pistil and
fertilization occurs. The fertilized egg cell begins to divide and
form a young organism called an embryo. The ovule grows into a
covering that protects what has now become a seed. As this seed
forms in the parent plant, the flower changes. The sepals and petals
die and fall off. The ovule grows into a seed with a covering such
as beans, berries, tomatoes, or the hard shells of nuts. The covering protects the seed/seeds and also helps
scatter the seeds for future plants.
Directions: Answer the
questions about the flower.
found at the base of a flower.
2. The stamens are the
3. Each stamen has an
on its tip. This is where millions of tiny
grains are attached.
4. The pistil is the
part of the flower.
5. The pistil contains the
and the egg/eggs.
6. Pollination is the movement of pollen from
the anther to the sticky top of the
7. Fertilization occurs when a tube grows out
of the pollen grain into the
also called the ovary, and joins with an egg.
8. The fertilized egg cell begins to divide
and form a young organism called an
9. As the seed forms in the parent plant, the
10. Birds and insects are responsible for
11. The ovule grows into a
with a covering such as beans, berries, tomatoes, or the hard shells of