parts of plants and flowers what are four major parts of plants? leaf roots stem flower
TRANSCRIPT
Functions or Jobs All plant parts have a purpose
– Collect sunlight and make food (where photosynthesis happens)
– Collect water and minerals, hold plant in the soil, and store food
– Attract insects and animals in order for the plant to reproduce
– Transport water and nutrients throughout the plant
Which is Which #1?Click on the word that matches the function
– Which part collects sunlight and makes food (where does photosynthesis happen?)
Flower
Leaf
Stem
Roots
#2– Which part collects water and minerals, holds the
plant in the soil, and stores food?
Flower
LeafStem
Roots
#3– Which part attracts insects and animals in order for
the plant to reproduce?
Flower
LeafStem
Roots
GOOD JOB!! The leaves are like the food factories of
the plant. They make the food for the plant. Have you ever noticed how plant leaves will lean towards the sun. They are made for collecting sunlight for photosynthesis!
ALRIGHT!!Roots hold the plant in the ground to help secure it. Roots also soak up water and minerals for the plant. Water is very important and is necessary for photosynthesis. Roots are also like a cellar for the plant to store extra food.
GREAT!!
Flowers are where the reproductive parts of many plants are. They look and smell a particular way in order to attract insects and animals who will move the pollen and fertilize that plant or another plant.
YIPEE!!
The stem is like a bundle of pipes that carries water, minerals, food, and other nutrients throughout the plants. The xylem carries water and minerals up and the phloem carries food and nutrients down.
SummaryThe four main plant parts and their jobs:
–Leaves: Collect sunlight and make food (where photosynthesis happens)
–Roots: Collect water and minerals, hold plant in the soil, and store food
–Flowers: Attract insects and animals in order for the plant to reproduce
–Stems: Transport water and nutrients throughout the plant
Parts of a Flower A flower is were the reproductive parts
of the plant is held. Many parts are inside of a flower. The major parts are:
-Stamen -Stigma-Pistil -Filament-Ovary -Eggs-Pollen/Sperm -Anther
Male Parts
The male parts of the flower help fertilize the egg of the flower. These parts are usually in a place that canbe easily moved by insects and animals. The male parts are the pollen/sperm, stamen, and filament. Notice thatthe last two words have the word “men” in them. REMEMBER- MEN=MALE PART
Pollen
Filament
Stamen
Male Parts Continued The filament is a tube like structure
that holds up the anther (a head-like structure) that makes the pollen.
filament
anther
pollen
Uh Oh… This is a female part called the style.
On the top is a part called the stigma. We will learn about this later in the lesson.
Well Done! The stamen is part of the male
reproductive system of a flower along with the pollen, filament and anther.
Shucks!
The male parts are the stamen, pollen, anther and filament. Notice thattwo words have the word “men” in them.
REMEMBER- “MEN”=MALE PART
The Female Reproductive Organs
The pistil is the term for all the female parts of a flower. Each pistil includes an ovary (where the eggs are produced; the female reproductive cells, a style (a tube on top of the ovary), and a stigma (which the pollen sticks to during fertilization).
ovary
pistil eggs
style
stigma
petals
Oh no… This is a female part called the ovary.
Here is where the eggs are stored and what will change into the fruit that we eat.
Good Job! The stigma is on top of the style. It is
sticky so that the pollen grains will stick to it.
Review Click on the correct picture of the
MALE reproductive parts.
filament
pollen
anther
filament
anther
pollen
stamen
pollen
filamentanther
stamen
stamen
Click on the correct picture of the FEMALE reproductive parts
petalstigma
eggs
style
pistil
pistil eggs
style
stigma
petal
ovary ovary
eggs
style
stigma
pistil
ovary
petal
Fertilization Pollen must join with an egg to produce a seed. This process is called
pollination, and is often helped by animals like bees, which fly from flower to flower collecting sweet nectar. As they visit flowers, they spread pollen around, leaving it on some stigmas. After a male's pollen grains have landed on the stigma during fertilization, pollen tubes develop within the style, burrowing down to the ovary, where the sperm fertilizes an egg cell. After fertilization, this develops into a seed in the ovary.
ovary
pollen tube
pollen grainstigma
Fertilization summary Once the pollen lands on the stigma,
the pollen grain burrows down the style by making a pollen tube until it reaches where the eggs are stored in the ovary. The pollen and egg join together to form a seed (baby plant). The ovary ripens and becomes the fruit that we eat.
SummaryMale Reproductive partsStamen- all the male partsPollen-male reproductive cell which makes a tube down the style during fertilization in order to join with the egg.Anther-where pollen is producedFilament-a tube that holds up the anther
Female Reproductive PartsPistil-all the female partsStyle-a tube that hold up the stigma; where a pollen tube is formedStigma-a sticky surface on the top of the style where pollen can collectOvary-where the eggs are storedEgg-female reproductive cell