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2 2 sentences Why your first answer was wrong Why your new answer is correct

3 Which biochemical process is outlined in the diagram? A. Anaerobic Respiration B. Aerobic Respiration C. Photosynthesis D. Transpiration

4 A. Electron Transport Chain B. Electromagnetic Energy C. Kreb s Cycle D. ATP

5 Which of the following statements is the most likely conclusion which Michelle discovered from this lab? A. Increased cellular respiration will increase carbon dioxide production B. Increased cellular respiration will increase oxygen production C. Decreased exercise will increase carbon dioxide production D. Decreased exercise will decrease oxygen production

6 What are the possible effects if water is eliminated from this cycle? A. Photosynthesis and cellular respiration will continue at a normal rate B. Photosynthesis would stop and cellular respiration would continue at a normal rate C. Photosynthesis would slow down and the rate of cellular respiration would increase D. Photosynthesis would stop and cellular respiration would slow down and eventually stop

7 Using this analogy, what is represented by the letter B? A. Oxygen gas B. Nitrogen gas C. Glucose D. Carbon Dioxide

8 A. Oxygen gas and Water B. Carbon Dioxide and Water C. Glucose and Oxygen gas D. Carbon Dioxide and Glucose

9 A. The reactants of photosynthesis are the products of cellular respiration B. The reactants of cellular respiration are the products of photosynthesis C. The products of fermentation are the reactants of photosynthesis D. The products of cellular respiration are the products of photosynthesis

10 Which of the following statements correctly describes the processes of photosynthesis and cellular respiration? A. Photosynthesis stores energy for the cells and cellular respiration releases energy for the cells B. Photosynthesis produces carbon dioxide and cellular respiration uses carbon dioxide C. Photosynthesis and cellular respiration are performed by all organisms D. Photosynthesis and cellular respiration occur in the same organelle

11 A. Oxygen is produced during cellular respiration and stored during photosynthesis B. Photosynthesis releases the energy that is stored during the process of cellular respiration C. Glucose is used during cellular respiration to produce food that is broken down during photosynthesis D. Carbon dioxide and water released by respiration are used in photosynthesis

12 A. Only Species X is aerobic B. Only Species X is anaerobic C. Both Species X and Y are aerobic D. Both Species X and Y are anaerobic

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15 A. Energy is stored in ATP for future use B. Energy from ATP is used to make glucose C. ADP is broken down to help create oxygen ATP ADP Carbon Dioxide Water Glucose + Oxygen

16 Observe plant structures (cambium, guard cells, phloem, xylem, seed, and stomata), organs (roots, stems, leaves, flowers, fruits, cones), and tissues (meristematic, ground, dermal, and vascular) and relate them to physiological processes (photosynthesis, cellular respiration, transpiration, and reproduction). Essential Question: How have the structures and functions of plants enabled them to survive?

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18 Plant Parts and Their Function Flowers Leaves Stems Roots

19 PLANT TISSUES Dermal tissue covers the outside of a plant. Ground tissue provides support and stores materials in roots and stems Vascular tissue transports water, minerals, and organic compounds stem leaf root

20 PLANT TISSUES VS. HUMAN TISSUES Plant Dermal tissues are like: Human Body Ground tissues are like: Vascular tissues are like:

21 Tissue in most plants containing undifferentiated cells (meristematic cells), found in zones of the plant where growth can take place.

22 1. Compare dermal, ground, and vascular tissues of plants. 2. What is cuticle? What is its role? 3. What are guard cells and stomata? 4. An important concept in biology is that form follows function. In other words, the structure of an organism, or part of an organism, depends on its function. Apply this concept to plants, and explain why plants have different types of cells and tissues

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24 Have you ever seen a tree move a block of cement on the sidewalk or push through a fence? What does that suggest about the roots and stems of a woody plant?

25 A. FUNCTIONS OF ROOTS 1. Anchor & support plant in the ground 2. Absorb water & minerals 3. Hold soil in place Root Hairs Fibrous Roots

26 Root Cap Slide 4 Root Hairs Phloem Xylem Meristem B. THE STRUCTURE OF A ROOT 1. Root Hairs: increase surface area for water & mineral absorption 2. Meristem: region where new cells are produced through cell division.

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28 A. FUNCTIONS OF STEMS 1.Support system for plant body 2.Transport system carries water & nutrients 3.Holds leaves & branches upright

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30 THE STRUCTURE OF A STEM Xylem- transports water and mineral salts from the roots to the stem and leaves. It also provides strength to the plant. Phloem- transports manufactured food from the leaves to the roots. The vascular cambium grows additional xylem and phloem as the plant grows in thickness.

31 phloem xylem sugars 1 Sugars move from their source, such as photosynthesizing leaves, into the phloem. water 2 Water moves from the xylem into the phloem by osmosis, due to the higher concentration of the sugars in the phloem. The water flow helps move sugars through the phloem. 3 The sugars move into the sink, such as root or fruit, where the are stored.

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34 A. FUNCTIONS OF LEAVES 1. Main photosynthesizing organ of the plant. 2. Broad, flat surface increases surface area for light absorption. 3. Have systems to prevent water loss 4. System of gas exchange Elephant Ear Plant

35 1.Cuticle: waxy layer; covers upper surface Protects leaf against water loss 2.Veins: transports water, nutrients and food Made of xylem and phloem 3.Mesophyll: contains cells that perform photosynthesis b/c they contain Chloroplasts. B. LEAF STRUCTURES Leaf Cross-Section

36 More leaf Parts 4. Stomata: openings in leaf s surface; when open: GAS EXCHANGE: Allows CO 2 in & O 2 out of leaf TRANSPIRATION: Allows excess H 2 O out of leaf Guard Cells Stoma

37 1. Transpiration: loss of excess water from plant leaves. -Caused by cohesion and adhesion in xylem and by the opening and closing of stomata!

38 Significance: C. PLANTS FIND A USE FOR TRANSPIRATION a. helps pull water and nutrients up stem from roots. b. part of the water cycle, trees transpire water back into the atmosphere. c. Helps determines the balance of water within the plant. A B

39 Grab 3 of the same leaf (same envelope) Microscope Nail polish (only with Ms. Greco) Piece of clear tape 6- Slides (grab by the sides)

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48 Plants reproduce sexually. There must be sperm (pollen) and an egg. Pollination is when pollen meets the female reproductive parts of the same species. Plants can be classified by how they spread their seeds. Angiosperms- a seed plant that has seeds enclosed in some type of fruit. Ex: Apple plant Gymnosperms- a seed plant whose seeds are not enclosed in fruit. Ex: pine trees

49 Plant Parts Roots Functions (what s its purpose?) Structures (what are the names of the special parts?) Stems Leaves Reproductive parts

50 1. There are 3 types of plant tissue (dermal, vascular and Ground) made from many different types of plant cells. 2. Plants have three main goals:1 absorb and transport materials, 2 turn sunlight into food for the plant, 3 reproduce to make more plants. Different structures that allow them to carry out these different life processes. 3. In order to survive, plants must keep the correct balance of water.

51 Explain the processes in which plants move materials through their bodies? Describe and explain how the structure of the stomata helps to maintain homeostasis in plants? How can a tree which is rooted in place produce offspring with another tree hundreds of miles away?

52 Write 4-5 sentences On new page 1 Explain how transpiration works and how it helps keep the right balance of water within the plant. Include our Biology Beast Vocabulary! Stomata, Guard Cell, Xylem, Phloem, Cohesion, Adhesion, Transpiration.

53 Work on your own to complete this activity, no 2 plants should be the same. Create your own plant that is going to be the best! This is a silent activity.

54 Exit: Check for Understanding (CFU) 1) If the xylem in a young tree is damaged, which process is first affected? A. Performing photosynthesis B. Transporting sugar to the roots C. Transporting water to the leaves D. Absorbing water from the soil

55 2) Terrestrial plants have stomata on the surface of their leaves. A single stoma is surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in the plant? A. Water enters the plant through the surface of the leaf for transpiration. B. Gases for photosynthesis are exchanged through the surface of the leaf. C. Energy for cellular reproduction is absorbed through the surface of the leaf. D. Carbon dioxide enters the plant through the surface of the leaf for cellular respiration.

56 3) The amount of water a plant has in its tissues is determined primarily by the balance of which of the following processes? A. Runoff and root absorption B. Respiration and photosynthesis C. Precipitation and photosynthesis D. Root absorption and transpiration

57 4) Plant cells that are specialized for cell division are most likely found in what part of a plant? A. Root tips B. Leaf epidermis C. Stem epidermis D. Vascular tissue

58 5) This chart represents characteristics of four different plants. Which plant is most likely a gymnosperm? A. Plant 1 B. Plant 2 C. Plant 3 D. Plant 4

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