say‚ "Flowers dress themselves to attract insects and the like to them." This is point on‚ because this is actually the mechanism that the flower develops so the "assistants" will be attracted to them. Some flowers use an aroma to attract their pollinators. Pollination is the way that flowers get their gene Com Facts About Sunflowers 1. Sunflowers are very beautiful flowers and are used for decoration. Sunflower plants can be from 3 to 18 feet tall
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The Rouge River Park: Dog- strangling vine control The Rouge River is one of the “largest natural environment parks in an urban area” (Rouge Park 2009). The park contains many different ecosystems and community types‚ some of which include riparian‚ restored wetlands‚ sandy beaches and farmland. It is a site full of ecological and historical significance; the park still plays an important role in the community today. Several experimental projects are going on at the Rouge River Park including
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Cloning plants Many plants clone themselves naturally to reproduce. They send a small shoot-like structure called a runner‚ along the soil. The runner grows into a new separate plant‚ which is genetically identical to the original plant - a clone. People can clone plants by simply taking a cutting of the plant such as a twig or stem and planting it. This is called vegetative propagation. Horticulturists use cloning to grow plants with specific qualities‚ like height‚ flower colour and quality
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Science Revision Half-Yearly’s Name the lenses found in a microscope. Eyepiece or ocular lens Objective lens Recall the units used to measure microscopic objects. Micrometres Recall what happens to the field of view as the magnification used increases. As the magnification increases‚ then the amount of the specimen you can see (the field of view) gets smaller. Name two different types of: Light microscope- monocular microscope and the binocular microscope. Electron microscope- transmission
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Paloma Castro October 2‚ 2012 ESS II Conversation Biology: * Conservation biology is the scientific study of the nature and status of Earth’s biodiversity with the aim of protecting species‚ their habitats‚ and ecosystems from excessive rates of extinction and the erosion of biotic interactions. * Using natural capital sustainably protecting biodiversity * Anthropocentric view—humans are there to preserve nature Preservation Biology: * Attempts to exclude human activities
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Outline of Lecture Notes for Sept. 9 What is Animal Behaviour? Scientific study of how and why animals behave the way they do Uses both evolutionary theory and behavioural physiology Why study animal behaviour? Establish general rules regulating behaviour Determine how best to preserve endangered animals Control economically important pests Develop better conditions for domestic animals and animals in zoos Cane Toads in Australia Ecological disaster due to lack of understanding of
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The Cause of the Mass Extinction in the Late Cretaceous Period Dinosaurs first appeared around 245 million years ago‚ and they lived for 180 million years. Then suddenly‚ 65 million years ago they went extinct. Not only did all the dinosaurs die out‚ but also up "to 75% of all marine genera were lost" ("mass extinction"). This leaves scientists wondering about what could have led to this mass extinction in the Cretaceous Period. They have collected evidence from fossils and earth’s geography‚ to
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MA4 Essay- The Illegal Big cat trade The illegal trade of big cats is leading them and the entire world towards annihilation. This is because they keep herbivores from taking over and decimating plants. Not only that‚ but what they are used for is sickening. They are pointlessly killed for “medicine” that has not been scientifically proven to work‚ trophy pets‚ and for cash grabs towards tourists that are none the wiser. This business needs to be stopped or at the very least become so minuscule
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CHAPTER 2 SEXUAL REPRODUCTION IN FLOWERING PLANTS 2.1 2.2 2.3 2.4 2.5 Flower – A Fascinating Organ of Angiosperms Pre-fertilisation : Structures and Events Double Fertilisation Post-fertilisation: Structures and Events Apomixis and Polyembryony Are we not lucky that plants reproduce sexually? The myriads of flowers that we enjoy gazing at‚ the scents and the perfumes that we swoon over‚ the rich colours that attract us‚ are all there as an aid to sexual reproduction. Flowers do not exist only
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Effects of Agriculture on the Environment Introduction: Agriculture has changed dramatically‚ especially since the end of World War II. Food and fibre productivity rose due to new technologies‚ mechanization‚ increased chemical use‚ specialization and government policies that favoured maximizing production. These changes allowed fewer farmers with reduced labour demands to produce the majority of the food and fibre. Humans‚ like all other species‚ exploit their surroundings for the resources they
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