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Topic 5: Support and transport sytems in plants
Focus on life sciences grade 10 page 92 - 111, core content:.
Anatomy of Dicotyledonous Plants (link to Grade 7)
• Root and stem: the distribution of different tissues;
• the structure of cells in different tissues (link to plant tissues)
• Secondary growth (link to cell division); the annual rings in a tree trunk to assess age and to infer climate change.
Transpiration
The relationship between water loss and leaf structure (link to Term 1).
Factors that affect the rate of transpiration are:
• temperature;
• light intensity;
• humidity.
• Wilting and Guttation
• the intake of water and minerals into the xylem in roots;
- the transport of water and minerals to leaves;
- The translocation of manufactured food from leaves to other parts of plant
Topic 5 Powerpoint presentation
Transpiration worksheets
2. Activities to be completed in workbook:
Act. 2 Draw a cross section of a root (page 95)
Act. 3 Draw a cross section of a stem (page 96)
Act. 4 Examine secondary thickening in a dicotyledenous stem (page 98)
Act. 5 Examine annual rings (page 99)
Act. 6 Consider the economic uses of plants (page 100)
Act. 7 Use a potometer to measure the rate of transpiration (page 102) - use the virtual lab simulation on a desk top computer to collect results for light intensity, temperature and air movement for ONE of the plant species provided to complete this activity.
Act. 8 Investigate the use of a potometer (page 103)
Act. 9 Explain guttation and wilting (page 104)
Act. 10 Investigate water uptake through the roots (page 106)
Act. 11 Investigate water movement through xylem (page 107)
Act. 12 Investigate transpiration pull (page 108)
Act. 13 Understand ring-barking of trees (page 109)
Test Practice (page 111)
Please complete the Test Practice in your workbooks. Once you have done this, click on the link below to submit your answers in the Google Form provided.
TOPIC 5 Test Practice (page 111)
VIRTUAL LAB - Plant transpiration
TOPIC 5 Textbook Activities - QUESTIONS (For all the bananas who left their textbooks at school)
TOPIC 5 Textbook Activities - MEMO
3. Relevant video resources:
Mindset - Support and transport systems in plants resources
4. Revision resources:
5. informal assessments:.
Class Test 1: Anatomy of dicotyledonous plants
Class Test 2: Transpiration and transport
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Gr 10 T2 W5 Life Sciences
Grade 10 Life Sciences lesson:Support and transport in plants (The intake of water and minerals into the xylem in roots)
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- Mindset Network
- Transpiration
- Life Sciences
- Support and transport systems in plants
- Learn Xtra Live 2013
- The chemistry of life
- Cells - the basic units of life
- Cell division- mitosis
- Plant and animal tissues
- Term 1 Revision
- Support systems in animals
- Term 2 Revision
- Transport systems in mammals (human)
- Biosphere to Ecosystems
- Term 3 Revision
- Biodiversity and classification
- History of Life on Earth
- Exam Revision
- Biodiversity and classification of micro-organisms
- Biodiversity of plants
- Reproduction in plants
- Biodiversity of animals - Invertebrates
- Energy transformations to sustain life
- Animal nutrition (mammals)
- Gaseous Exchange
- Excretion in humans
- Population Ecology
- Human impact on the environment
- DNA - the code of life
- Reproduction in Vertebrates
- Human reproduction
- Genetics and inheritance
- Responding to the environment - humans
- Homeostasis in humans
- Human endocrine system
- Responding to the environment - plants
- Evolution by natural selection
- Human evolution
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5.6 Summary
5.6 Summary (ESG7X)
Anatomy of dicotyledonous plants : Structures discussed in the previous chapter (collenchyma, sclerenchyma, xylem and phloem) are important in carrying out the transport functions.
Root anatomy and function: The root is important in absorption, anchorage and storage of food. It is made up of the epidermis, cortex, endodermis and stele (consisting of xylem, phloem and pericycle).
Stem anatomy and function: Stems contain an epidermis, cortex and vascular cylinder (consisting of pericycle, xylem, phloem, cambium and pith). Stems are important for growth, support, storage and transport of water, mineral salts and manufactured sugars.
Secondary growth: Secondary growth is the thickening of the stem or root as new layers of xylem and phloem are formed by mitosis. It is carried out by cambium and results in stems and roots becoming thicker as the plant ages / matures. Secondary thickening results in the annual rings found in trees that can be used to work out the age of a tree.
Transpiration : Transpiration is the loss of water from the stomata of plants. It creates a 'suction' or transpirational pull that is important for the movement of water through the plant. Transpiration is affected by environmental conditions e.g wind, temperature, humidity and light intensity. The rate of transpiration is measured using a potometer. In order to prevent excessive transpiration, plants have developed adaptations such as thickened cuticle, position of stomata, hairs on leaves, reduction of leaf size, leaf spines, leaf arrangements and rolling of leaves.
- Translocation : Translocation is the transport of food material (sugars), synthesised in the leaves, to other parts of the plant via phloem. This mode of transport is multi-directional, but requires energy as it occurs by active transport against a concentration gradient. Phloem vessels consist of sieve-tube elements and companion cells which are connected by plasmodesmata. Companion cells act as the regulators and energy stores of the phloem.
- Wilting and guttation are processes of water loss in the plant. Wilting entails excessive loss of water through plasmolysis resulting in excessive cell death, at times resulting in death of the entire plant. Guttation is the release of water via the hydathodes due to high humidity.
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VIDEO
COMMENTS
Grade 10 Assignment Memorandum: Transport System in Plants Introduction The transport system in plants is responsible for the movement of water, nutrients, and other essential. On Studocu you find all the lecture notes, summaries and study guides you need to pass your exams with better grades.
Topic 5 Powerpoint presentation. 2. Activities to be completed in workbook: Act. 7 Use a potometer to measure the rate of transpiration (page 102) - use the virtual lab simulation on a desk top computer to collect results for light intensity, temperature and air movement for ONE of the plant species provided to complete this activity.
5.1 Overview (ESG79) The previous chapter discussed the structure of plant and animal tissue. This chapter focuses on the plant tissues that transport food and water around the plant. Learners have previously been taught that plant leaves use sunlight, carbon dioxide and water to make sugars (food) during photosynthesis.
5.3 Transpiration (ESG7J) This section explains how various environmental factors can change the rate of transpiration, and also examines how the structure of the leaves has adapted to minimise this water loss. Learners will need to understand the factors that affect the transpiration rate such as temperature, light intensity, wind and humidity.
GRADE 10 LIFE SCIENCES Term 2 Revision 2020 - Activity Document Support and Transport in Plants downloaded from Stanmorephysics with TERM 2 REVISION - Solutions Document Grade: 10 Topic: SUPPORT AND TRANSPORT IN PLANTS A. TOPIC PLAN. Lesson Aspect Activities 1 - The need for support and transport systems in plants.
Support and transport systems in plants: Transpiration. 39. 8. Support and transport systems in plants: Water uptake, Transport of water & Translocation of manufactured food. 43. 9 & 10. Support system in animals: Human skeleton and Functions of the skeleton. 49. WEEK 1 & 2: TOPIC: Cell division.
life sciences grade 10 step ahead 2023 2 contents no. topic page no. 1. plant organs support and transport in plants plant tissues 3-11 2 animal tissues 12-17 3 support system in animals 18-21 4 transport system in animals 22-25 5 history of life on earth 26-32 6 biosphere and ecosystem 33-39 7
Water now moves through the passage cells of the endodermis through the pericycle to the root xylem. Upward movement of water from the xylem of the root to the leaves of the plant: • Revise the cross-section through the leaf in lesson 1. • The three forces involved in the upward movement of water in a plant is: capillarity, root pressure and.
Grade 10 www.learnxtra.co.za Brought to you by Page 1 SESSION 7: SUPPORT AND TRANSPORT SYSTEMS IN PLANTS PART 2 KEY CONCEPTS In this session we will focus on summarising what you need to know about: - Relationship between water loss and leaf structure factors that affect the rate of transpiration: Temperature Light intensity
Xtra Gr 10 Life Sciences: In this lesson we take a close look at Support and Transport in Plants. In this session we focus specifically on the anatomy of dicotyledonous plants. ... Life Sciences / Grade 10 / Support and transport systems in plants / Learn Xtra Lessons. Related Resources. 1972 | 3 | 0. 52:53. Revision Video . Support and ...
1) Transpiration pull- water potential gradient and water will move from the roots towards the leaves because of a pull or suction. 2) Capillary- tubes with small diameters and surface tension caused by cohesion of molecules making water rise. 3) Root pressure- an upward force caused by a continual entry of water into roots.
Grade 10 www.learnxtra.co.za Brought to you by Page 1 SESSION 6: SUPPORT AND TRANSPORT SYSTEMS IN PLANTS PART 1 KEY CONCEPTS In this session we will focus on summarising what you need to know about: - Anatomy of dicotyledonous plants Root and stem: distribution of different tissues Structure of cells in different tissues
End of chapter exercises. Exercise 5.1. The water loss in two plants was recorded over a 12 hour period. Study the information below and then answer the questions that follow. The results for the two plants were recorded in the following table. Time of Day. 06:00. 08:00. 10:00.
Watch on. Xtra Gr 10 Life Sciences: In this lesson we take another look at Support and Transport in Plants II. We focus on the relationship between water loss and leaf structure factors that affect the rate of transpiration. We look at the uptake of water and minerals into xylem in roots. We look at transport of water and minerals to the leaves.
life sciences grade 10 practical task date: 22 september 2020 transpiration and movement of water time: 30 minutes marks 30 name: question the rate of water ... Tps3706 assignment 50 portfolio 2022; Grade 9 Trade Unions; Tutorial Letter 202 - Learnership-Application-form for unisa students who needs access It will really ... 1 The rate of water ...
grade 10 life science test on support and transport system in plants. structure of root, stem, and support tissues. prepared in august 2023. memorandum is available in the document. out of 50 marks and advised duration is 50 minutes. enjoy the paper and good luck
This video focuses on the transport of water from the soil through to the leaves and all the various forces that play a role there.
Chapter 5: Support and transport systems in plants. 5.1 Overview. 5.2 Anatomy of dicotyledonous plants. 5.3 Transpiration. 5.4 Wilting and guttation. 5.5 Uptake of water and minerals in the roots. 5.6 Summary. End of chapter exercises. Siyavula's open Life Sciences Grade 10 textbook, chapter 5 on Support and transport systems in plants.
Watch on. In this live Grade 10 Life Sciences show we take a close look at Transpiration. In this lesson we discuss the uptake of water & mineral salts by the roots. We look at how water moves up the xylem from the roots to the leaves. We consider the experiments relating to root pressure, capillarity and transpiration pull.
Grade 10 Support and transport systems in plants Booklet Learn with flashcards, games, and more — for free. ... Grade 10 Support and transport systems in plants Booklet. Share. Terms in this set (20) What are dicotyledonous plants? are flowering plants that have two seed leaves which are called cotyledons which supply the germinating seed ...
Figure 5.2: Gymnosperms are non-flowering plants such as pine trees or "black spruce" shown above. In angiosperms, the cotyledon is part of the seed of the plant. The number of cotyledons (mono- or di-) is used to classify flowering plants. Monocotyledonous plants have one cotyledon, dicotyledonous plants have two.
5.6 Summary (ESG7X) Anatomy of dicotyledonous plants: Structures discussed in the previous chapter (collenchyma, sclerenchyma, xylem and phloem) are important in carrying out the transport functions. Root anatomy and function: The root is important in absorption, anchorage and storage of food. It is made up of the epidermis, cortex, endodermis ...
Grade 10 Assignment Memo 2023 - Free download as PDF File (.pdf), Text File (.txt) or read online for free. You go memo