The World Of Plants Std Grade
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![PLANTS - THE BASICS ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-2-2048.jpg?cb=1666962541)
![MORE PLANT BASICS ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-3-2048.jpg?cb=1666962541)
![WHAT DO WE NEED PLANTS FOR ? ,[object Object],For raw materials For medicines](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-11-2048.jpg?cb=1666962541)
![PLANTS AS FOODS ,[object Object],[object Object],[object Object],and…… we get chocolate from plants !!!!!](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-12-2048.jpg?cb=1666962541)
![PLANTS AS MEDICINES ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-15-2048.jpg?cb=1666962541)
![PLANTS AS MATERIALS ,[object Object],[object Object],[object Object],[object Object],[object Object],How many more can you think of ?](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-20-2048.jpg?cb=1666962541)
![Ecological loss ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-24-2048.jpg?cb=1666962541)
![FOOD PLANTS ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-27-2048.jpg?cb=1666962541)
![MEDICINAL PLANTS ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-29-2048.jpg?cb=1666962541)
![WILD PLANTS…… ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-30-2048.jpg?cb=1666962541)
![GENETIC STOREHOUSE ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-31-2048.jpg?cb=1666962541)
![Seed Germination ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-32-2048.jpg?cb=1666962541)
![What’s in a seed ? ,[object Object],[object Object],[object Object],Lets have a look at the inside of a seed](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-33-2048.jpg?cb=1666962541)
![Inside the seed ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-34-2048.jpg?cb=1666962541)
![Structure of the mature seed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-35-2048.jpg?cb=1666962541)
![Inside the Bean seed ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-36-2048.jpg?cb=1666962541)
![The seed germinates ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-37-2048.jpg?cb=1666962541)
![Germination continues…. ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-39-2048.jpg?cb=1666962541)
![Roots – function and structure ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-41-2048.jpg?cb=1666962541)
![… .and finally ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-45-2048.jpg?cb=1666962541)
![Factors affecting germination ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-46-2048.jpg?cb=1666962541)
![What about light ? ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-47-2048.jpg?cb=1666962541)
![The Parts of a Flower ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-51-2048.jpg?cb=1666962541)
![The parts of a flower ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-52-2048.jpg?cb=1666962541)
![Stamen (male) ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-53-2048.jpg?cb=1666962541)
![Carpel(female) ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-54-2048.jpg?cb=1666962541)
![Pollination ,[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-55-2048.jpg?cb=1666962541)
![Pollination ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-56-2048.jpg?cb=1666962541)
![Fertilisation ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-57-2048.jpg?cb=1666962541)
![The ovary develops into a fruit adapted for seed dispersal ,[object Object],[object Object],[object Object],[object Object],BUT …WHAT ABOUT ‘ FALSE FRUITS’ ?](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-58-2048.jpg?cb=1666962541)
![Wind pollination ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-59-2048.jpg?cb=1666962541)
![Seed dispersal ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-60-2048.jpg?cb=1666962541)
![How birds and animals help seed dispersal ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-61-2048.jpg?cb=1666962541)
![How birds and animals help seed dispersal ,[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-62-2048.jpg?cb=1666962541)
![ASEXUAL REPRODUCTION ,[object Object],[object Object],[object Object],[object Object],Asexual reproduction in plants is known as VEGETATIVE PROPAGATION.](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-63-2048.jpg?cb=1666962541)
![Methods of Artificial propagation… ,[object Object],[object Object],[object Object],Strawberry and Spider plants are good examples of Species which use RUNNERS for asexual reproduction](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-64-2048.jpg?cb=1666962541)
![[object Object],[object Object],[object Object],[object Object],Examples of plants which use this method of VEGETATIVE PROPAGATION include ….](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-65-2048.jpg?cb=1666962541)
![Artificial Propagation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TWO METHODS ARE COMMONLY USED… … CUTTINGS AND GRAFTING.](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-66-2048.jpg?cb=1666962541)
![…CUTTINGS ,[object Object],[object Object],REMEMBER….ALL CUTTINGS GROW INTO PLANTS WITH FEATURES IDENTICAL TO THEIR PARENT](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-67-2048.jpg?cb=1666962541)
![GRAFTING ,[object Object],[object Object],[object Object],The cut surfaces bond together, healing the wound which Is protected from infection by being sealed with wax. Twine Holds the cut surfaces tightly together to promote healing](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-68-2048.jpg?cb=1666962541)
![Are these plants clones ,[object Object],[object Object],So the term CLONE can be used to refer to a group of Plants produced from cuttings or graftings from the SAME PARENT PLANT](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-69-2048.jpg?cb=1666962541)
![[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-70-2048.jpg?cb=1666962541)
![Plant growth ,[object Object],Plants also need three important minerals to keep healthy. They absorb these through their roots.](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-73-2048.jpg?cb=1666962541)
![How do plants get the minerals they need? ,[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-76-2048.jpg?cb=1666962541)
![The three main types of nutrient are: ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-78-2048.jpg?cb=1666962541)
![Lack of the three minerals would lead to a “Deficiency Symptom”: ,[object Object],[object Object],Lack of phosphates: Small roots and purple leaves Lack of potassium: Yellow leaves with dead bits](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-79-2048.jpg?cb=1666962541)
![Plant Doctor. ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-81-2048.jpg?cb=1666962541)
![The Transport System ,[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-82-2048.jpg?cb=1666962541)
![The Transport System ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-83-2048.jpg?cb=1666962541)
![The transport system ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-85-2048.jpg?cb=1666962541)
![Xylem ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-86-2048.jpg?cb=1666962541)
![Phloem ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-88-2048.jpg?cb=1666962541)
![Vascular bundles ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-90-2048.jpg?cb=1666962541)
![The transport of water ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-92-2048.jpg?cb=1666962541)
![Transpiration ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-94-2048.jpg?cb=1666962541)
![Transpiration ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-95-2048.jpg?cb=1666962541)
![THE LEAF! ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-97-2048.jpg?cb=1666962541)
![Function of leaves ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-98-2048.jpg?cb=1666962541)
![Leaf cell - palisade ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-102-2048.jpg?cb=1666962541)
![Gas exchange ,[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-104-2048.jpg?cb=1666962541)
![Photosynthesis ,[object Object],The food produced is GLUCOSE. This is a carbohydrate. They are made up of… CARBON, HYDROGEN, and OXYGEN. Glucose is SOLUBLE so the Plant has to convert it into STARCH which is INSOLUBLE Or CELLULOSE for building Cell walls. STARCH is a STORAGE carbohydrate CELLULOSE is a STRUCTURAL carbohydrate](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-111-2048.jpg?cb=1666962541)
![Four factors affect photosynthesis: ,[object Object],[object Object],[object Object],[object Object],These are known as LIMITING FACTORS because Lack of any one or more will slow down photosynthesis](https://image.slidesharecdn.com/the-world-of-plants-std-grade-1217331049312580-9/75/the-world-of-plants-std-grade-114-2048.jpg?cb=1666962541)
The World Of Plants Std Grade
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The World Of Plants Std Grade
- 4. … . they give us some beautiful artistic moments!
- 5. VARIETY
- 6. MORE VARIETY
- 7. HABITATS
- 9. PLANTS AND THE SUN Plants turn the sun’s energy ……… into food This is called………. Photosynthesis
- 10. PLANTS ARE ALSO HABITATS
- 13. …. IN SCOTLAND Barley is used to make ….
- 14. AND…… Plant-based dyes are used for…..
- 16. PLANTS TREAT CANCER It is thought that at least 2000 plants may contain chemicals which can help to treat cancer This is the purple coneflower
- 17. PLANTS CLEAR YOUR HEAD This is the titfruit. Its extract can clear blocked sinuses
- 18. MORE PLANT MEDICINES… Plants can be used for hormone replacement This is squawberry juice being extracted Plants can help with urinary infections This is saw palmetto used for cystitis and Prostate problems in men
- 19. DO YOU KNOW THIS ONE ?
- 21. PLANTS ARE SO INTERESTING….. These american native indians even worship their cacti….
- 22. SO…… PLANTS ARE ? Much more complex and varied than you knew
- 23. “ World of plants” will show you how and why .
- 28. EVEN FLOWERS !
- 38. …. The embryo starts to grow You can see the root starting To grow downwards
- 40. …. The root grows hairs We can see the root hairs starting to grow
- 42. Wheat seed Root hairs Fragile parts of cells that grow from the main root They massively increase the surface area for absorption
- 43. Root hair cells (x150)
- 44. Root ‘B’ has had the hairs damaged -
- 49. REPRODUCTION IN FLOWERING PLANTS
- 50. Floral diversity THEY ALL LOOK DIFFERENT…BUT ALL HAVE THE SAME PARTS FOR REPRODUCTION…
- 74. Root hair cells Plant roots are made of “root hair cells” which have a large surface area and a thin cell membrane to help absorb the minerals: Thin cell membrane Large surface area
- 75. Plant A Plant B Both plants were planted at the same time and left to grow on the same window sill for the same length of time. Why do you think that plant A is so much bigger than plant B?
- 80. The Three Main Minerals Needed by Plants. A small plant with yellow older leaves. To make proteins Nitrate Symptom if deficient Why its needed Mineral Yellow leaves with dead bits Helps chemicals in the plant work properly. Potassium Poor root growth and purple younger leaves Needed for photosynthesis and respiration Phosphate
- 87. Close up of Hibiscus rosa xylem
- 89. Phloem tubes
- 91. Transverse section of a stem
- 93. A root tip showing root hairs
- 96. Leaves
- 99. Structure Wide Helps to catch more light energy Thin Help get carbon dioxide from bottom to top of leaf for photosynthesis
- 100. Leaf structure Greener on top CO 2 gets in here
- 101. Leaf diagram – palisade layer CO 2 Most chlorophyll
- 103. Plant cells have three “extra” things than animal cells: Both types of cell have these: Only plant cells have these: 4) Cell wall – provides support Large Vacuole – contains sap Chloroplasts – contain chlorophyll 1) 5) 6) 2) 3) Cell Membrane – holds the cell together Cytoplasm - this is where the reactions happen Nucleus – The “brain” of the cell
- 105. Leaf diagram – stoma and guard cells
- 106. Stoma position
- 107. Stoma is a small hole Its size is controlled by 2 guard cells closed open
- 108. Stoma function is for gas exchange in the leaf Carbon dioxide oxygen Guard cell Provided plant is photosynthesising
- 109. Stomata open and close at different times of the day When it is light the plant needs CO 2 for photosynthesis so the stoma open At night (darkness) they close
- 110. Gas exchange
- 112. Four things are needed for photosynthesis: Travels up from the roots WATER CARBON DIOXIDE Enters the leaf through small holes on the underneath SUNLIGHT Gives the plant energy CHLOROPHYLL The green stuff where the chemical reactions happen
- 113. The word and chemical equations for photosynthesis: Carbon dioxide + water glucose + oxygen 6CO 2 + 6H 2 0 C 6 H 12 O 6 + 6O 2 Sunlight Chlorophyll Sunlight Chlorophyll