Name ___________________ Mods _______

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STS BIOLOGY

UNIT 9 REVIEW SHEET

ANSWERS

THIS IS ONLY A BRIEF REVIEW OF MATERIAL COVERED IN THIS UNIT.

Review each of the following chapters:

Chapter 24 pages 624-626

Chapter 3 page 78

Chapter 13 page 330

Chapter 22 pages 551-577

Chapter 23 pages 579-607

Know each of the following terms:

Renewable
Plant
Board of Trade
OPEC Petroleum Corn
Soybean Spermopsida Roots
Stems Leaves Vacular Tissue
Xylem Phloem Flowers
Cones Seed Coat Fibrous Root
Taproot Ethanol Rhizomes
Symbiotic Biodegradable Gymnosperms
Conifers Angiosperms Fruit
Monocot Dicot Epidermis
Cuticle Guard Cells Stomata
Nitrifying Bacteria Legume Rhizobium
Endosperm Pollination Fertilizer
Cotyledon Pollen Grain Dormancy
Monoculture Soy Ink  

Identify each of the following statements as either true or false. T= true F= false

1. ___T__ Illinois is #1 in soybean production in the US.

2. ___T__ Illinois is #2 in corn production in the US.

3. ___F__ Corn is a nitrogen producer.

4. ___F__ Soybean is a nitrogen feeder which depletes the soil of nitrogen.

5. __T___ Rhizobium is a nitrifying bacteria which fixes nitrogen in the nodules of legumes.

6. __T___ Corn requires a great deal of fertilizer and pesticides, soybeans require little fertilizer and few pesticides.

7. __T___ Corn and soybeans are a renewable resource.

8. __F___ Soybeans have no commercial use.

9. __T___Corn and soybeans can be used to make us less dependent on OPEC.

10. __T___ Corn yields more money per acre than soybeans.

11. List two benefits which life on land offers to plants.

1. More Sun

2. More CO2

12. List two problems which life on land presents to plants.

1. Lower H2O supply/ dehydration

2. Predators. Vector dependent pollination

13. Why is the seed considered to be an evolutionary advantage?

Dormancy/ survives dehydration. Own food supply.

14. Name 3 main organs of a plant.

    1.Stem

    2.Roots

    3. Leaves

15. What is the function of a plant's roots?

Storage, anchors plant. Absorbs H2O and nutrients.

16. Draw a diagram of a monocot and dicot root cross section. Label the xylem and phloem.

Monocot Root
Dicot Root
Dicot Root (close up)

17. What is the function of a plants stem?

Support, (holds leaves to the light) and transportation of food and water.

18. Draw a diagram of a monocot and dicot stem cross section. Label the xylem and phloem.

Monocot Stem
Dicot Stem

19. __________Leaves__ are the organs in which plants capture the sun's energy used for photosynthesis.

20. Label the leaf cross section. Include upper epidermis, lower epidermis, stomata, guard cells, mesophyll: upper palisade and spongy layer, vein: xylem and phloem, cutlicle, chloroplasts.

21. Name 5 products which have soybean in them.

    1.soups

    2. chips

    3. soy sauce

    4. cereal

    5. soy ink

22. Define phloem- Transport sugar. Living, two-way transport.

23. Define xylem- Transport H2O. Dead, one-way transport.

24. The ______Seed Coat_________ surrounds the embryo; protects the embryo and the stored food supply from drying out.

25. Naked seed plants are also known as __gymnosperms_________.

26. Gymnosperms have evolved specialized reproductive structures called scales. Scales make up larger structures called male and female ___Cones________. Male cones produce ___Pollen_____ and female cones produce ___Eggs___.

27. Conifers are also known as ______Cone bearing_______________.

28. Flowering plants are known as ______Angiosperms_______________________.

29. The seeds of angiosperms are not naked but contained within a thick ovary wall or ______Fruit_________.

30. All angiosperms can be divided into two subclasses which are ______Monocots___ and ____Dicots_____.

31. List 4 examples of monocots and 4 examples of dicots.

Monocot
Dicot
1.Corn 1.Soybeans
2.Lilies 2 Roses / Daisies
3.Orchid 3.Trees
4.Grasses 4.Tomatoes

32. Label each of the following as either monocot or dicot. M= monocot D= dicot

___M___ Leaf veins are parallel.

___D___ Leaf veins are branched.

___M___ Flower parts are arranged in multiples of 3.

___D__ Flower parts are arranged in multiples of 4 or 5.

__D____ Vascular bundles are arranged in a ring near the outside of the stem.

__M____ Corn, iris, palm tree.

___D___ Oak, tomato, clover, soybean.

___D___ An X of xylem is found in the center of the root with bundles of phloem around it.

__M____ Stems and roots do not get thicker from year to year.

__D____ Stems grow thicker from year to year.

___D___ Have 2 cotyledons.

___M___ Have an endosperm.

33. A primary root which grows longer and thicker is a _______Taproot________.

34. The seed leaves are also known as ______Cotyledons______.

35. Seeds can become _______Dormant___________ during adverse conditions.

36. ___Ethanol____________ is a fuel produced from corn.

37. Growing only one type of plant in one place is called a ___Monoculture_____________.

What is an advantage of the above? ____a farmer can give very efficient and specific care to the crop ___

What is a disadvantage of the above? ___if a disease or pest begins to damage part of the crop the entire crop will most likely be destroyed too __________