Everything Life Sciences Grade 10

Study the onion root-tip slides below and Identify the stage of mitosis (most stages are represented more than once). i ii iii ...

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CHAPTER^5 Plant and animal tissues 5.1 Overview 116 5.2 Tissues 116 5.3 Plant tissues 117 5.4 Animal tissues 130 5.5 Application ...

5 Plant and animal tissues 5.1 Overview Introduction DUMMY ‘If you want to understand function, study structure.’- Francis Crick ...

FACT There are over 200 000 types of plant species in the world. Green plants provide the Earth’s oxygen, and also directly or i ...

It is important that for each tissue type you understand: where it is located what its key structural features are and how thes ...

Meristematic tissue is found in root tips as this is where roots are growing and where dividing cells are produced. Figure 5.5 s ...

FACT The chemicals in trichomes make plants less easily digested by hungry animals and can also slow down the growth of fungus o ...

Structure Figure 5.7: Stomata in a tomato leaf as seen under a scanning electron microscope. Figure 5.8: The above is a microsco ...

Describe the shape of the guard cells and normal epidermal cells. Which epidermal cells have chloroplasts? Describe the wall th ...

Table 5.2: Structure and function of parenchyma Activity: Observing parenchyma cells. Aim: To observe the structure of fresh par ...

FACT Collenchyma tissues make up the strong strands observed in stalks of celery. The growth of collenchyma tissue is affected ...

FACT A useful way to remember the difference between collenchyma and sclerenchyma is to remember the 3 Cs pertaining to collench ...

Use the forceps or needle to lift a small piece of soft pear tissue onto your microscope slide. Add a drop of iodine solution. ...

FACT In addition to transporting water and mineral salts from roots to leaves, xylem also provides support to plants and trees b ...

Structure Function Long cells Form effective conducting tubes for water and minerals Dead cells: no cytoplasm No obstruction to ...

FACT Do you remember that sucrose is made up of glucose and fructose monosaccharides? Plants transport sucrose rather than gluco ...

Structure Function Companion cells: Contain large number of ribosomes and mitochondria. Due to absence of organelles or nucleus ...

FACT WATCH: a video about the different tissue types in animals See video: SHORTCODEat http://www.everythingscience.co.za FACT P ...

Epithelial tissue type Location in body Structure Function Simple squamous and stratified squamous Simple: capillaries, alveoli ...