Name: __________________________________ Date: __________________ Period: ________

7.1 Plant Structure

Do First: Answer the 6 questions in your Do First Answer Document.

1. Organism A: _____________________________

2. Organism B: _____________________________

3. Organism C: _____________________________

4. Organism D: _____________________________

5. Plant cells have a large central ________________ to store water.

6. Unlike eukaryotes, bacteria have no __________________.

Leaves Collect ___________ and ______ so the plant can

make ________ (photosynthesis) Let water out (____________________)

Stem Provides ______________ for the plant. _________________ nutrients and water up the

plant from the rootsRoot

Absorb __________ and minerals from the ______ Transport these nutrients to the stem.

Seeds Contain a plant _____________, along with a food

supply, covered by a protective coat. Can be surrounded by fruit or carried on a cone.

Fruits Contains the __________ Develops from the ripened ________ of the flower

Cones Contain either sperm (_________) or egg

(_____________) reproductive structures.

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Word Bank

A. ArchaebacteriaB. EubacteriaC. ProtistaD. FungiE. PlantF. Animal

Cellulose - an organic structural component for the cell walls of green plants and many forms of algae

Name: __________________________________ Date: __________________ Period: ________

Xylem and Phloem

Xylem: Moves water and minerals _______ the roots to leaves; only moves ______ way

Phloem: Moves water and ___________ throughout plant; ______-way flow

Remember phloem by cool arm movement – and “Water and food are PHLOEM away!”

Cuticle ■ _______ __________ on leaves to

keep water in

Stomata■ Small ___________ (pores) in

leaves– Let ______ and _____ go in and

out of the plant for photosynthesis and respiration

– Let _________ ______ from the plant

Guard Cells■ Cells that _____________ the

stomata and control whether they are _______ or _________.

Independent Practice

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A

B

CFU #1 – Label each of the stomata and guard cells on the right and left

Fill in the blank with either “open” or “closed”

___________ Stomata

What is going in and out of a stoma?

_______ In _______ Out

___________ Stomata

What is going in and out of a stoma?

___ _______ In ___ _______ Out

Name: __________________________________ Date: __________________ Period: ________

1. ______ Which structure in the plant leaf to the right helps the plant retain water with a thin waterproof epidermal layer?

A. A C. CB. B D. D

2. ______ Which structure in the plant leaf to the right is where water and food move throughout the plant?

A. A C. C B. B D. D

3. ______ What is the part of the plant that does the OPENING and CLOSING to allow O2 and CO2 in and out of the cell?

A. Stomata C. CuticleB. Guard Cell D. Xylem

4. Draw arrows to and label the following structures in the cross-section of a leaf to the right:

A. StomataB. Guard cell

5. In the graph to the right, when is the most transpiration taking place?

A. During the first period of dark B. During the second period of darkC. During the period of light

6. In the graph to the right, when are the guard cells closed?

A. During the first period of darkB. During the second period of darkC. During the period of lightD. During both periods of dark

7. Ture or False:The name of the vascular grouping in a plant that moves water and nutrients from the roots to leaves is called the phloem and only moves one way.

_______________

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D

C

Name: __________________________________ Date: __________________ Period: ________

Identify structures and function of ‘A’ and ‘E’ from this cross section of a leaf. *Notice that ‘E’ is the opening of the cell.

A. __________________and its function is to________________________________________________

E. __________________and its function is to________________________________________________

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