protect the hive; and forage bees that go out and collect food and water3. Easily‚ the most important job of the bees is pollination. Known to many as that time when your car turns from black to yellow in a night‚ pollination is the process that pollen is transported from plant to plant for reproductive purposes. Bees may be little‚ but their affect on the economy through pollination is quite significant $15 billion in U.S. crop production4. For any child who has ever feared the sight of broccoli
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production. Many vegetables and flowers can be grown in greenhouses in late winter and early spring‚ and then transplanted outside as the weather warms. Bumblebees are the pollinators of choice for most pollination‚[citation needed] although other types of bees have been used‚ as well as artificial pollination. Hydroponics can be used to make the most use of the interior space. The relatively closed environment of a greenhouse has its own unique management requirements‚ compared with outdoor production
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sizes. How is it possible? Explain 6. What are chasmogamous flowers? Can cross-pollination occur in cleistogamous flowers? Give reasons for your answer. 7. Mention two strategies evolved to prevent self-pollination in flowers. 8. What is triple fusion? Where and how does it take place? 9. Why is the process of fertilization in a flowering plant referred to as double fertilization? Explain. 10.Name the type of cross-pollination in silk cotton tree and Vallisneria respectively. 11.Write the differences
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phenomenal numbers and that is something that people should pay more attention to. Honey bees are disappearing at an alarming rate and that will have a major impact on the lives of everyone. The disappearance of honey bees would not only mean less pollination of important plants to our society but also could lead to higher food cost. After reading and analyzing Ambrose Evans-Pritchard’s article titled Einstein was right – honey bee collapse threatens global food security‚ it is almost unbelievable that
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forests national forest management zero cut – no. Retrieved from: http://www.worldissues360.com/index.php/logging-on-national-forests-national-forest-management-zero-cut-no-26744/. Corbet‚ S. A.‚ Williams‚ I. H.‚ & Osborne‚ J. L. (1991). Bees and the pollination of crops and wild flowers in the European Community. Bee World 7 (2)‚ 47-59.
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Biology – Preliminary – Evolution of Australian Biota 1. Evidence for the rearrangement of crustal plates and continental drift indicates that Australia was once part of an ancient super continent identify and describe evidence that supports the assertion that Australia was once part of a landmass called Gondwana‚ including: ▪ − matching continental margins ▪ − position of mid-ocean ridges ▪ − spreading zones between continental plates ▪ − fossils in common on Gondwanan continents
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The result of the honey bee pollination indirectly supports an exceedingly broad list of species. Honeybees support both plant and animal as the plants cannot spread and reproduce without the honeybee or similar pollinator spreading its pollen. Several animals also rely on the plants
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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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Honeybees were brought to North America from Europe in the 1600s. They produce honey and pollinate crops. In recent years honeybee populations across the continent have declined by as much as 70 percent. Their loss could effect fruits and vegetables such as apples‚ broccoli‚ strawberries‚ nuts‚ asparagus‚ blueberries and cucumbers. Honeybees pollinate $14 billion worth of seeds and crops in the US every year. Therefore‚ if honeybees disappear‚ they could take most of our insect pollinated plants
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“If the bee disappeared off the surface of the globe‚ then man would have only four years of life left. No more bees‚ no more pollination‚ no more plants‚ no more animals‚ no more man‚” Albert Einstein once stated(goodreads). Bees have been a critical aspect of all premise of nature. They have flourished for millions of years and have survived as servants of nature. Humans have continuously relied on the natural life processes of bees. The honey bees are a keystone species within the biosphere
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