External Plant Structures
Sadie got a potted plant for her birthday. As she looked at the plant, Sadie noticed that it did not have flowers. How will this affect the plant?
It will not be able to produce seeds
It will not be able to take in water
It will not be able to make food
It will not be able to carry water through the stems
It will not be able to produce seeds
This internal/external structure absorbs water and nutrients
Roots
Which of these structures is most important for helping an elephant communicate with and keep track of other elephants?
skull and teeth
liver and heart
ears and feet
skin and ribs
Ears and feet
This internal structure grinds up food
A dandelion seed is light enough to be carried by the wind. How does that help the dandelion plant reproduce?
It makes the seeds difficult for birds to eat.
It protects the seeds from other plants.
It carries the seed to places where new plants can grow.
It dries the seed.
It carries the seed to places where new plants can grow.
This internal structure grows into a fruit with seeds
Pistil
In the fall, many birds migrate to warmer climates. Which external structure is most helpful to a migrating bird?
Wings
This internal structure Stores food and begins to break it down
Stomach
Why are flowers/petals important to some plants?
They defend the plant from predators
They store water until the next time it rains
They attract animals that pick up their pollen
They make food when the plant needs it
They attract animals that pick up their pollen
To make food, a leaf needs sunlight, water, and _______.
Carbon Dioxide
This external structure protects the internal organs
Skin
This internal structure Carries food from the mouth to the stomach
Esophagus
In which external structure does most food production take place?
1. Stem
2. Flower
3. Leaves
4. Roots
Leaves
This internal structure transfers water and nutrients from the roots to the rest of the plant
Tubes in the stem
This external structure functions are both the nose and upper lip of an elephant
Trunk
This internal structure Makes chemicals that help digest food
Liver
Which external structure of this plant functions in making seeds for reproduction?
The flower
This internal structure makes pollen
This external structure has pads that sense sound vibrations
Feet
This internal structure Breaks down food into sugars and other chemicals
Intestines