the moment‚ the driver doesn’t think clearly and assumes that the possum is an actual possum‚ when it is nothing more than a leaf. This shows how fast we jump to a conclusion‚ and how much better it would be for us to think things through before we do them. The second key literary element is imagery. There was a lot of imagery in this poem. How Nikki describes the leaf at the end of the poem‚ and how it is "struggling . . . to lift itself into the wind and live" and how the birds are "living kin
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that influences the rate of water loss from a plant through transpiration Introduction: Most of the water a plant absorbs is not used for a plant’s daily functioning. It is instead lost through transpiration‚ the evaporation of water through the leaf surface and stomata‚ and through guttation‚ which is the loss of water from the vascular tissues in the margins of leaves. There are three levels of transport in plants: uptake and release of water and solutes by individual cells‚ short distance cell
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epidermis of the leaf‚ surrounded by guard cells. [1] Their main function is gas exchange [1] for photosynthesis and respiration. The development of stomata on the leaves of a plant is determined by interaction between different genes and environmental factors. A few studies have been conducted in order to establish a relationship between stomatal densities and given environmental factors. Research has shown that stomatal densities are controlled by environmental conditions during leaf development‚ but
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The evolution of plants has resulted in increasing levels of complexity‚ from the earliest algal mats‚ through bryophytes‚ lycopods‚ ferns to the complex gymnosperms and angiosperms of today. While the groups which appeared earlier continue to thrive‚ especially in the environments in which they evolved‚ each new grade of organisation has eventually become more "successful" than its predecessors by most measures. Probably an algal scum formed on land 1‚200 million years ago. In the Ordovician period
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n Class VI you learnt that food is essential for all living organisms. You also learnt that carbohydrates‚ proteins‚ fats‚ vitamins and minerals are components of food. These components of food are necessary for our body and are called nutrients nutrients. All living organisms require food. Plants can make their food themselves but animals including humans cannot. They get it from plants or animals that eat plants. Thus‚ humans and animals are directly or indirectly dependent on plants. I 1
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through osmosis in their roots from the soil. Without a water potential gradient‚water will be loss from the roots . Plant cells contain vacuoles‚ which‚ if not full with water‚ will cause the cell to become flaccid. If all the cells in a leaf become flaccid‚ the whole leaf will become flaccid‚ hence causing the plant to wilt. Plant cells therefore need water to remain turgid and keep firm.If an animal cell surrounded with a high water potential‚ osmosis will take place‚ and if the water is not expelled
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vessels) in vascular tissue (transported throughout plant) into mesophyll cells in leaf Water absorbed by root hairs (via osmosis & root pressure) Move through cortex into xylem (small xylem vessels) via symplastic loading (movement through cell) & apoplastic loading (movement through cell wall) Water movement up xylem by capillarity Stomata controls transpiration allowing water to leave xylem into leaf water in leaves Mesophyll cells – cells in leaves specialised for photosynthesis.
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Biology Lab Report (F.4) * Objective: To study the transpiration of a leafy shoot using the bubble potometer * Materials and apparatus: * Bubble potometer * Leafy shoot * Scissors * Basin with water * A fan * Plumbing tape * Method: Normal Condition: 1. The bubble potometer was filled with water. 2. The stem of a leafy shoot was cut under water. 3. The bottom of the stem was wrapped by plumbing tape. 4. The stem was fitted onto the photometer
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Development of rustic areas is a challenging issue in which it has opponents and proponents‚ both of which have their reasons. In a similar situation‚ the council of Maple county suggested a limitation policy in order to protect current undeveloped farmlands. The Council rationale is preventing housing prices from a noticeable rise‚ like what happened in Chestnut county ten years ago. On the other hand‚ opponents of this measure assert a reverse effect in Pine county fifteen years ago. Both groups
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well as interactions with other organisms. Stream ecology is a subset of ecology that observes the interactions between the organisms found within the stream and their interactions with the stream itself. A contributing factor to stream ecology is leaf degradation. Leaves that fall into a stream create a significant impact on the energy flow and nutrient cycling of the stream’s ecosystem. Leaves provide an abundant amount of organic material for many of the organisms within the stream. Decomposed
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