... . A lot of people think that cold weather and other climate factors is the only reason leaves change color, but that is only part of it. Leaves change color when they undergo a chemical change. The cold causes plants" metabolisms to slow down. This causes a plant to produce anthocyanins. Another possiblility is that the anthocyanins, which dissolve in water, protect leaves from frost. They dissolved substance of the pigments in water fill the leaves ... with nourishing water while protecting it with ... ...

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• Grade Level: High School

... colors that splash across our majestic hills and valleys each fall. Those streaks of color appear because we have so many trees. In fact, in virtually every setting, from the swamps along the oxbows of the Housatonic River to the summits of the Taconic mountains, the dominant vegetation of our landscape is trees. But why are trees here? Why did trees grow in New England and New York, while grasses coat ... into sugars, through the process of photosynthesis, they use up water. Additional water transpires through the pores in their leaves. To compensate for that loss of water, the plant c...

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• Grade Level: High School

... true-breeding yellow pod plant and a true-breeding green pod plant, he noticed that all of the resulting offspring, F1 generation, were green. He then allowed all of the green F1 plants to self-pollinate. He referred to these offspring as the F2 generation. Mendel noticed a 3:1 ratio in pod color. About 3/4 of the F2 plants had green pods and about 1/4 had yellow pods. From these experiments Mendel ... formulated what is now known as Mendel's law of segregation. This law states that allele pairs separate ... their phenotypes. We then added water to the F1 gametophytes to allow random f...

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... an ice bath. Every five minutes, the test tubes were unwrapped and observations of the color inside the test tubes were recorded. This was done in five minute increments for twenty minutes. If there was to be a quicker rate in photosynthesis in any of the test tubes, then the water in that test tube would be a reddish color. Hypothesis 2: Light directly affects the rate of photosynthesis. To set up this experiment, three ... syringes, nine leaf blades, water, aluminum foil and phosphate ... ...

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... big dream is to live in a small house surrounded by lots of trees, flowers, water buffalo, and chicken. My house also should be covered by a ditch full of fish and crab. My house should be located outside the city, uphill. My house must be a peaceful place for me to come back after all the stresses from daily life. In a nutshell, my house should be my ... grass so my dogs can run around all day long. A clean water ditch will help my Koi grow faster. A combination of clean water, fresh air, and environmental friendly will be my first choices of my dream house. My inner decorations should...

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... plant. Not all plants are alike. They are all different and vary in color, shape, size, and how they live and produce food; yet they all have a few things in common. They all need water, food, and sunlight to stay alive and healthy, though, all plants need different amounts. Factors of the environment can be good to plants, as well as bad. Just as ... sunshine year round. Plants in dry deserts receive approximately one inch of rain per year, and because of this, plants have adapted due to the lack of water. Many plants have adapted to the desert environment in which you live. Plants in ...

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... calcium, and it also is necessary to travel in the blood stream. In plants, calcium is necessary because it reduces the effects of other salts in the water. Calcium alters the availability of nutrients within the plant, making is necessary for plant growth. Without calcium, the toxic effect of the salts would decrease activity of the cell wall as well as meristem activity. Brown ... The plant receiving the Calcium/Water mixture grew the best, growing 11mm throughout the experiment. Its leaves changed colors, at one time being green/pink, at another being white, but ended up a healthy gr...

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... to suck up all of the water that they can get and that they need from the paper towel. On the 3rd day they were 100% germinated with the Spruce water, 80% with the water by the sidewalk, and 80% with just the regular tap water. We noticed that the Spruce roots were longer then most of the other roots. The roots of the radishes with the sidewalk water and tap water were about the same length, although the tap water was just a tiny ... bit shorter. Then there was Day 6. There was a huge amount of growth between these days, and it ... bit of length to them, but it was nothing compared to...

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... Introduction When trying to grow plants you must take into account the different variables that may help or hurt your plants. For instance the amount of light, water and food it gets. In this lab we wanted to see the different effects certain things would have on growing plants. We did three different experiments. The first one was a light vs. dark experiment. To see if a plant ... would grow better in light vs. a dark area. This has to do with phototropism which is the response of a plant to ... still grow but without color and not stand up. It's almost like the plant grows towards th...

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... , such as thebuffalo, were more difficult to domesticate. In wild populations, there is a great deal of genetic diversity which produces variationamong off spring. In the wild, the offspring best suited to the environment survive andreproduce. Humans, however, could alter the survival patterns of different offspring byproviding additional food and protection to dogs of unusual color, size and/or shape. Consequently, animals which would never have survived in ... reach maturity. When a domesticated corn plant matures, the seeds stay attached to the cob, which, if left in the field, will s...

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• Grade Level: Undergraduate

... lush, green grass. All around me I take in the breathtaking landscape of the many different types of intense, dark, sweet smelling flowers. The abundance of trees and plants amazes me more every time I see them. As I move toward the incredibly old, wobbly bridge that covers the babbling stream. I come to a stand still in the middle of the bridge. As I listen intently to the water rushing by with its current so swift. Just listening ... so happily whistling their songs. I feel the warm breeze and sun hitting the back of my neck. Instantly it makes me think of my father's warm embrace and...

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• Grade Level: High School