nucleus. Plants Xylem tubes can be up to 1 metre in length. Xylems give support‚ strength and rigidity to the stem. Water that enters the xylem in the roots is transported upwards through the stem to the leaves‚ which is a process also known as transpiration. The phloem transport sugars to the whole of the plant. Sugars are made in leaves of the plant during photosynthesis. Sugars that are transported to other cells can be used as food to provide energy for the cell. The process of breaking down sugars
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REVIEW REVIEW Plant Signaling & Behavior 5:8‚ 1-6; August 2010; © 2010 Landes Bioscience Unraveling ferulate role in suberin and periderm biology by reverse genetics Olga Serra‚1 Mercè Figueras‚1 Rochus Franke‚2 Salome Prat3 and Marisa Molinas1‚* 1 This manuscript has been published online‚ prior to printing. Once the issue is complete and page numbers have been assigned‚ the citation will change accordingly. Laboratori del Suro; Departament de Biologia; Facultat de Ciències; Universitat
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The Process of Osmosis and its Importance to Living Organisms. Osmosis is the diffusion of water through a semipermeable membrane that does not allow dissolved solids (solutes) to pass. Osmosis refers only to diffusion of water and the direction of movement is from the area of higher concentration to the area of lower concentration. This migration of water from a region of higher concentration to a region of lower concentration is spontaneous and although water molecules move in both directions
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The water cycle is nature’s way of showing how water moves around. The water cycle is a continuous cycle where water evaporates‚ travels into the air and becomes part of a cloud‚ falls down to earth as precipitation‚ and then evaporates again. This never ending cycle is everywhere. One of the places that it occurs in is the Amazon Rainforest. The Amazon Rainforest is a unique habitat filled with wildlife. With its tropical weather‚ the Amazon has an abundance amount of rain per year. In addition
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Changing colour of the flower using SCIENCE! Aim: To identify‚ if the amount of food colouring affected the colour of the flower. Hypothesis: If the amount of food colouring is changed the result (the colour of the flower) will vary. The more the food colouring is added‚ the more‚ the colour will emerge on the flower. Materials - Food colouring - Flower - Water - Plastic plates‚ cups and spoons - Measuring cup Safety - Eye protection Method - Make sure‚ you have all your materials. In this case
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Water on Earth moves continually through a cycle of evaporation or transpiration (evapotranspiration)‚ precipitation‚ and runoff‚ usually reaching the sea. Over land‚ evaporation and transpiration contribute to the precipitation over land. Water on Earth moves continually through a cycle of evaporation or transpiration (evapotranspiration)‚ precipitation‚ and runoff‚ usually reaching the sea. Over land‚ evaporation and transpiration contribute to the precipitation over land. Let’s join our hands in
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ECOLOGY Ecology is concerned with the study of organisms and their habitats. This includes the interdependence of various populations‚ their impact on each other and their surroundings‚ the effect of the surroundings on their behaviour‚ as well as the ways in which the organisms and the environment change in response to each other. A pond and its inhabitants provide a good example of these interrelationships. A pond contains: a. soil consisting of rock‚ minerals and dead remains of organisms b. water
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Title : Ecological Sampling Objectives : 1. To learn the method of constructing a quadrate on an area of grassland in Biodiversity Park. 2. To estimate the population sizes of Species A using the quadrate sampling method. 3. To observe how abiotic factors affect the population of Species A. Introduction : Since there is an abundance of populations in a forest‚ it is impossible for us to study all of the populations due to financial constraints‚ time consuming and
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Aloe Vera’s Profile Lavanessa Young American Public University Whitney Elmore 06/17/14 Introduction Aloe is often described as a succulent stemless or very short-stemmed plant with a slimy and soothing sap. Binomially‚ this plant is known as Aloe vera‚ but it is a species with a good number of synonyms‚ including Aloe vulgaris‚ Aloe indica‚ Aloe perfoliata ‚ and Aloe barbadensis. It’s important to point out the fact that Carl Linnaeus was the first scientist to describe this species. Aloe vera
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The natural world is extremely varied‚ so an easier way biologists and people can better understand the Earth’s environment and its ecosystems is to categorize it into groups called biomes. Biomes are arranged by specific environmental conditions (i.e. rainfall‚ temperature‚ and humidity) and house specific types of vegetation or factors that allow organisms adapt to these environments. Cataloguing organisms that share similar adaptations makes it easier to study all the environments found on Earth
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