what are the advantages and disadvantages of reproducing by spores quizlet?
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Advantages would be it doesn't take much in the way of energy to produce a spore as opposed to making seeds and fruit. Also you can make lots and lots of spores. On the other hand the survival rate will be much lower than with a reproductive method that includes nutrients and more protection for the offspring.
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Spores can grow into an individual without being fertilized. Asexual reproduction is common in many fungal species, and it allows for more rapid spreading of the fungus than sexual reproduction does. There is great variety of asexual reproductive structures. These structures can be used to identify certain fungi.
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There are two types of reproduction: asexual and sexual reproduction. Though asexual reproduction is faster and more energy efficient, sexual reproduction better promotes genetic diversity through new combinations of alleles during meiosis and fertilization.
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There are many technical advantages of using Drosophila over vertebrate models; they are easy and inexpensive to culture in laboratory conditions, have a much shorter life cycle, they produce large numbers of externally laid embryos and they can be genetically modified in numerous ways.
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['A Hydroponic garden requires your time and commitment. ... ', 'Experiences and technical knowledge. ... ', 'Organic debates. ... ', 'Water and electricity risks. ... ', 'System failure threats. ... ', 'Initial expenses. ... ', 'Long return per investment. ... ', 'Diseases and pests may spread quickly.']
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['Hybridoma culture may be subject to contamination.', 'System is only well developed for mouse and rat and not for other animals.', 'More than 99% of the cells do not survive during the fusion process – reducing the range of useful antibodies that can be produced against an antigen.']
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Advantages: Like the wet mount, the hanging drop method preserves cell shape and arrangement. The Vaseline-sealed depression also slows down the drying-out process, so the organisms can be observed for longer periods. Disadvantages: The hanging drop method is also far too risky to use with highly pathogenic organisms.
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A disadvantage is that sexual reproduction takes longer than asexual reproduction. A mate must be found, the egg must be fertilised by sperm, and then the offspring develop. The benefit of introducing genetic variation into the species , however, outweighs this disadvantage.
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['the population can increase rapidly when the conditions are favourable.', 'only one parent is needed.', "it is more time and energy efficient as you don't need a mate.", 'it is faster than sexual reproduction.']
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What are some of the potential benefits and potential risks of biotechnology? - Benefits: treatment and prevention of disease and illness, improving crop growth. - Risks: ethical concerns, privacy, potential negative health and environmental effects.
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['It can lead to loss of species variety. ... ', 'It does not have control over genetic mutations. ... ', 'It brings about discomfort to animals. ... ', 'It can create offspring with different traits. ... ', 'It could create a genetic depression. ... ', 'It poses some environmental risks.']
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Plants that are more resistant to diseases spread by insects or viruses result in higher yields for farmers and a more attractive product. Genetically modification can also increase nutritional value or enhance flavor. All of these factors contribute to lower costs for the consumer.
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Advantages: Low costs and operating on very low-pressure systems, such as gravity flow drip systems fed by water from rain barrels. Disadvantages: Clogging up easily and poor water distribution uniformity compared to other emitter types.
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Funding the work of breeders and researchers to develop varieties allows for improved crops that are more successful in terms of yield, purity and sales. It's important to protect intellectual property rights (IPR) in crop technology – just like patents protect the design of your combine.
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Two advantages of industrial food production is that it can help keep pesticides away from the crops and grow food easier, but two disadvantages of industrial food production is that some things like pesticides can harm the crops, livestock and the ecosystem around those things, and another disadvantage is that people ...
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One plant disease can wipe out an entire population of cloned plants. A second disadvantage is increased competition. Asexual reproduction allows the plants to reproduce very quickly. This means the parent plant will be competing with a great number of offspring for the same nutrients, sunlight, and space.
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["Various Advantages of Biofuels. Efficient Fuel. Cost-Benefit. Durability of Vehicles' Engine. Easy to Source. Renewable. Reduce Greenhouse Gases. Economic Security. ... ", 'Disadvantages of Biofuels. High Cost of Production. Monoculture. Use of Fertilizers. Shortage of Food. Industrial Pollution. Water Use.']