Botany Assignments Week of 4-14 to 4-17

1. Complete the following two worksheets: What are Stems? Key Term Review: Plant Structures and Functions

(Note that when it says to use reference materials – you may have to use your notes or do some independent research to complete the tasks)

Name Class Date

What are stems? Lesson Review Complete the following. 1. Plants that do not live for more than one growing season have ______stems.

2. An example of a plant with a herbaceous stem is a

______.

3. The outer layer of a woody stem is the

______.

4. Water is transported to the leaves of a plant by tubes called

______.

5. Extra water evaporates into the air through the

______.

6. Phloem are tubes that transport

______.

Skill Challenge Skills: identifying, applying concepts Identify each plant stem shown below as herbaceous or woody. Then, answer the questions that follow. Write your answers in the spaces provided.

Pine tree Grass Oak tree

1. Pine tree ______

2. Daisy ______

3. Grass ______

4. Oak tree______

5. List three other examples of plants with herbaceous stems. ______

6. List three other examples of plants with woody stems.

______

______

Name Class Date

Key Term Review: Plant Structure and Function PART A Use the clues to complete the crossword puzzle.

Clues 21. tube that contains xylem and phloem Across Concepts and Challenges in Life Science, Teacher’s Resources CD-ROM 1. food-making process in plants Down

4. outer leaf layer 1. movement of pollen from a stamen to a pistil

7. middle leaf layer 2. top part of the pistil

10. underground stem with fleshy leaves 3. anything that causes a response

11. bottom part of a pistil 4. undeveloped plant

12. female reproductive organ in a flower 5. green pigment used by plants to make food

13. part of ovary that develops into a seed 6. joining of male and female sex cells

15. tissue that carries water from the roots 8. mark on a seed coat where the seed was attached

17. tiny openings in a leaf’s surface 9. plant response

18. stalk of an anther 14. part of stamen that makes pollen

19. colorful leaf of a flower 16. male reproductive organ in a flower

20. tissue that carries food from the leaves Botany Assignments Week of 4-14 to 4-17

1. Complete the following worksheets: How do plants reproduce asexually? Seed Dispersal Fertilizer

(Note that when it says to use reference materials – you may have to use your notes or do some independent research to complete the tasks)

Name Date______

How do plants reproduce asexually? Lesson Review Write true if the statement is true. If the statement is false, change the underlined term to make the statement true. ______1. Reproduction without the joining of male and female sex cells is sexual reproduction. ______2. An onion is an example of a tuber. ______3. One type of sexual reproduction in plants is called vegetative propagation. ______4. Vegetative propagation uses seeds of plants to grow new plants. ______5. New plants that grow from vegetative propagation are different from the parent plant. ______6. Leaves and flowers of some plants can be cut to start the growth of a new plant. Skill Challenge Skills: identifying, analyzing, inferring Study the drawings below. Then, answer the questions that follow. 1. Identify each plant structure as a tuber, a bulb, or neither. Write your answers on the lettered lines.

a. ______b. ______c. ______d. ______

2. What is the difference between a tuber and a bulb? ______

______

______Seed dispersal Enrichment Activity Skills: inferring, applying concepts, predicting New plants form from seeds released by parent plants. Survival of a plant species is dependent upon the dispersal of parent plant seeds. Many plant seeds have characteristics that help in their dispersal. Wind, water, and animals all help seeds to be dispersed.

PART A Look at the plant seeds below. Identify the trait of the plant seed that helps in its dispersal. Predict how the seed is dispersed.

1. 2. 3. 4.

1. ______

______

2. ______

______

3. ______

______

4. ______

______

PART B Read the following passage. Then, answer the questions that follow. Tomato Plant Red, juicy tomatoes are the fruit of the tomato plant. It is believed that tomatoes grew naturally in South America. Spanish priests visiting South America probably brought the seeds of these plants back with them to Europe. During the 1500s, tomatoes were grown as food in Spain and Italy. Years later, European explorers brought the seeds of these plants with them on voyages to America. Today, the United States produces more tomatoes than any other country. 1. How did humans aid the dispersal of tomato seeds? ______

______

2. Suppose that Spanish priests had never taken tomato seeds back to Europe. What effect could this have had on U.S. farms today? ______Name Class Date

Fertilizers Enrichment Activity Skills: classifying, interpreting, graphing, applying definitions There are two main kinds of fertilizers. Fertilizers are either mineral fertilizers or organic fertilizers.

PART A Use a dictionary to find the meanings of the words mineral and organic. Write the definitions in the spaces provided. Then, classify each of the following fertilizers as mineral or organic. Write M for mineral or O for organic. 1. mineral: ______

______

2. organic:______3. rock phosphate ______7. potassium nitrate

______4. manure ______8. compost

______5. potash ______9. lime ______6. peat 10. aqua ammonia PART B Fertilizers are graded. The first number is the percentage of nitrogen (N), the second number is the percentage of phosphoric acid (PA), and the third number is the percentage of potash (P). Use the information below each picture about the percentage of nutrients in fertilizers to make a pictograph (represent each using their symbols) in the spaces on the bags provided.

a. 10-20-10 grade b. 10-5-10 grade c. 4-8-4 grade

Botany Assignments Week of 4-20 to 5-1

1. Complete the following worksheets: Plants and their uses Researching plant food How do plants affect the economy of the United States?

(Note that when it says to use reference materials – you may have to use your notes or do some independent research to complete the tasks)

Uses of Plants Enrichment Activity Skills: organizing, identifying, researching PART A Plants supply people with food, shelter, and clothing. Plants also are used to make many different kinds of medicine. Complete the table below. In the first column, list common plants used by people. Then, identify how people use each plant by placing check marks in the correct columns. USES OF PLANTS Plant Food Shelter Clothing Medicine

1.

2.

3.

4.

5.

6.

7.

8.

9.

10. PART B Biomass fuels and fossil fuels are two sources of energy that come from plants. Use reference materials to define the terms biomass fuel and fossil fuel. Then, identify a type of plant that forms each type of fuel. 1. biomass fuel: ______

______

plant: ______

______

2. fossil fuel: ______

______

plant: ______

______Name Class Date

Researching Plant Foods Enrichment Activity Skills: classifying, researching PART A Listed below are different kinds of foods that come from plants. Use reference materials to identify the plant part from which each food comes. 1. orange ______11. apple ______

2. broccoli ______12. wheat grain______

3. rice ______13. sweet potato ______

4. spinach ______14. celery ______

5. beet ______15. cauliflower ______

6. banana ______16. peanut ______

7. carrot ______17. peach ______

8. asparagus ______18. pumpkin ______

9. pea ______19. corn ______

10. lettuce ______20. turnip ______

PART B Fruits, vegetables, nuts, and whole grains are good sources of certain vitamins and minerals. Use reference materials to find which of the foods in Part A are the sources of each vitamin and mineral listed in the table below. Then, add your findings to the table. VITAMIN AND MINERAL FOOD SOURCES Vitamins Best Sources Minerals Best Sources

A calcium

E iron

K magnesium

C potassium

B2 sulfur

B6 zinc

Name Class Date

THE Big IDEA Integrating Social Studies

How do plants affect the economy of the United States? Lesson Review Use reference materials to determine which crops can be found in the states listed below. For each state, list at least two crops.

1. Texas ______

2. California ______

3. New York ______

4. Michigan ______

5. Iowa ______

6. Oregon ______

7. South Dakota ______

8. 8. North Carolina ______Skill Challenge Skills: inferring, synthesizing 1. What jobs might be important in the Northwest region of the United States? ______

______

2. Why do you think Florida is the largest U.S. producer of oranges? ______

______

3. Many foods that we eat come from plants grown in countries other than the United States. Why do you think that might worry farmers in the United States? ______

______