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Certain forests in a dry climates periodically catch fire which enables some seeds to germinate what kind of disturbance is this?
Wiki User
∙ 7y ago
By consuming the accumulation of downed branches, litter, and duff, fire allows the seed to reach mineral soil. And in heating the soil, fire changes soil structure in a way that allows seeds to be covered by a few millimeters of soil as a result of their fall from the tree, thus promoting germination.
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Storieswriter123456
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Can seeds germinate if damaged?
It depends on the type of seed. Some seeds are more delicate then others. There are actually some types of seeds that require being damaged before they will germinate. Some require passing through the digestive system of certain animals, many prairie type plant seeds need to be burned first. There is a type of canna lily I have here at home that need to be scarified before they will germinate. I have to sit there with a nail file and file a section of the outer shell off before putting them in the ground. After that, they sprout in just a day or two. I have also started avocado trees from seed by shoving four tooth picks deep into the seed and putting the bottom half in a glass of water for a few weeks. They are a few feet high now. For the best results, you just have to read up on what you have.
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Three ways in which a grassland and tundra biome are similar are they both support certain animals and certain plants. They also have seasons, but they are different because of where they are located.
What ends dormancy of a seed?
Dormancy is poorly understood in terms of what causes it although it is likely that very many mechanisms exist, most of them probably chemical in nature. Some responsible compounds have been isolated, but in most cases, how they work is not understood. Breaking of dormancy is reasonably well understood in empirical terms. Things that are known to break dormancy include, particular cycles of wet and dry and/or heat and cold, exposure to one period above or below a certain temperature for a certain minimum period, exposure to certain chemicals (such as smoke), abrasion of the seed-coat (perhaps by being eaten but not digested). The list is considerable and particular seeds may require any one or more triggers to germinate.
Why might a plant that normally grows in one environment not grow well in a different environment?
Plants grow good in different environments depending on what type of plants it is. Plants take different amounts of water, sun and soil. It is all about the interaction of the plant to specific agro-climatic conditions for its proper growth.
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Plants form a symbiotic relationship with animals, who eat their fruit and carry the seeds to a new area with possibly less competition over sunlight and nutrients. They entice animals to eat the fruit with a sweet taste and attractive colors.
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Which ecological inquiry methods does an ecologist use when he or she enters an area periodically to count the population numbers for certain species?
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2. Why is it an advantage that most seeds go through a stage of dormancy before germination?
so it doesnt germinate in bad conditions and still preserve enough energy to germinate when the time is right, so to speak, also in keeps all the seeds from germinating a once which is why its so hard to get rid of weeds...
