When you looked at the cross section of the celery stalk that had been sitting in a vial of red water, what parts were red?
What is the xylem?
100
Define xylem.
Tubes that transport water and minerals to cells in plants.
100
Define phloem.
Tubes that transport sugar to cells in plants.
100
What does it mean to "classify"?
To put things into groups based on similar properties or behaviors.
100
Define and draw a picture of a palmate.
Several large veins extending from the place where the stem attaches to the leaf (think of the palm of your hand).
200
During the celery experiment, how did we figure out the amount of water that was lost due to evaporation?
We created a control vial that only contained water. We measured it on both days. The difference, was the amount that evaporated.
200
Describe how water in the ground travels to the leaves at the top of a tree.
Water enters the tree through the roots. The water flows up the roots and tree in the xylem tubes. The xylem tubes carry the water all the way to the leaves at the top of the tree.
200
Where would I find sap? What is it?
You would find sap in the phloem. Sap is sugar-rich liquid flowing in the phloem.
200
What are the three venation classifications?
Palmate, Pinnate, and Parallel.
200
Define pinnate. Draw a picture.
One large vein extending the length of the leaf with smaller veins branching off (think of a feather).
300
On average, during the celery experiments, which vials lost the most water?
The vials with the celery with leaves.
300
What are two other ways we classify leaves (besides by their veins)?
Shape and leaf margin.
300
If two leaves both have pinnate veins, but have different leaf margins, is it likely they are from the same plant?
No. Many leaves have pinnate veins. If the margins are different, they are most likely from a different plant.
300
What is a cross-section?
A cross section cuts across an object and exposes its internal structure.
300
Define parallel. Draw a picture.
Many small veins running along the length of the leaf; long narrow leaves, like blades of grass.
400
Using what you learned in the celery experiment, what is another question you could try to answer in another experiment?
ANSWERS WILL VARY
400
How are the circulatory system in animals and the vascular system in plants similar to each other?
Both systems transport food and water to cells.
400
If two leaves have the same venation pattern (they both have palmate veins), they have the same shape, and the same leaf margin, is it likely they are from the same type of plant?
Yes
400
What direction does the xylem transport water? What direction does the phloem transport food?
Xylem transports water up and phloem transports food down.
400
How are the circulatory system in animals and the vascular system in plants different from each other?
The circulatory system transports blood around the body. The circulatory system is one 1-way system, whereas the vascular system has two 1-way system (the xylem which transports water and the phloem which transports food).
500
Where can you find the oldest tissue in the trunk of a tree?
In the center of the trunk.
500
What do wide/think rings in the trunk of a tree mean?
It was a wet season (lots of rain that year).
500
What does it mean when the rings in the trunk of a tree are very close together.
There was little rain that year.
500
A word used to describe leaf shape?
blade
500
Xylem and phloem in plants are similar to the ___________ in animals.