... can be a major contribution to the death of a plant. The stems provide the vital role of carrying water, as well as other nutrients, from the roots to the leaves. These are carried to the leaves by the xylem and the phloem and which carries food made by the leaves to the rest of the plant ... this occurs the plant is unable to get the water it requires for photosynthesis and the nutrients from the soil. Throughout plants, at the tips of stems and roots, exist cells. The continually producing cells, called meristem. In the case of breakage of the plant at the base of the stem, the root sy...

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• Grade Level: High School

... have developed specialized structures which enable them to occupy the special niche between land and sea. Perhaps the most conspicuous and characterizing adaptation of mangroves is their development of aerial roots. As the soft sediment in which they grow are usually poorly drained, rich in organic matter, and is always saline to some degree, an extensive root system is necessary ... off into the mud beneath. These propagules then travel in an intriguing way. In buoyant seawater they lie horizontally and move quickly. On reaching fresher water however, they turn vertically, roots down ...

• Word Count: 908
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• Grade Level: Undergraduate

... along with some of the observations will help you figure out what it was that went on during this whole process. As you notice, on day 3, the radish roots have just begun to grow. They grow very quickly, so we didn"t have to wait long for the results. When it came to Day 3, we noticed that ... 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...

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• Grade Level: High School

... meristem as the root elongates through the abrasive soil. The cap secretes a polysaccharide slime that lubricates the soil around the growing root tip. Growth in length is concentrated near the roots tip, where three zones of cells at successive stages of primary growth are located. First is the zone of cell division, which includes the apical meristem and its derivatives, called ... and cell elongation within the internode. Axillary buds have the potential to form branches of the shoot system at some later time. Thus there is an important difference in how roots and shoots form lateral...

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• Grade Level: High School

... water lost during the low tide period. Also similar to Kandelia candel, they also have salt glands to prevent salt entering xylem. For Avicennia marina, they are the erect aerial roots arising from cable root and they are used to facilitate gaseous exchange when the plant is under waterlogged soil condition. They have pneumatophores to help to adapt the mangrove environment ... as pneumatophores contain aerenchyma tissue to allow rapid transportation of gas. For those like Bruguiera gymnorrhiza and Kandelia candel, they also have "knees" of the roots. These are formed periodically into ...

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• Grade Level: High School

... this plant started off with a struggle. "This urge, wrestle, resurrection of dry sticks, /Cut stems struggling to put down feet" The line personifies the roots. It gives them human qualities such as feet and by mentioning that it wrestles, struggles, and actually has an urge, which to humans are a psychological ... The next stanza is where the relationship between the person and the plant intensifies. This is where the person begins to feel an almost biological connection with the roots. "I can hear, underground, that sucking and sobbing, / In my veins, in my bones I feel it,-/ the smal...

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• Grade Level: High School

... may also know that many plants grow from seeds. But did you know that some simple plants have none of these parts? Nonvascular plants, the bryophytes, don't have roots, stems, or leaves. They do have rootlike fiber, stalks that look like stems, and leaflike green growths. Instead of growing from seeds, bryophytes grow from spores. The ... conditions in the environment so that other plants can grow there, too. Eventually, larger vascular plants can begin to grow, sending their roots down through the decaying plants and into the rocks underneath. As the roots grow, they crack the rocks apa...

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• Grade Level: High School

... be taller. This height is reached by stems or trunks. Plants with stems and trunks needed the vascular systems in order to get food and water quickly and efficiently from roots to tip. Certain reproductive strategies developed that allowed less dependance on the need of standing water. Seeds and fruits offer protection for the developing embryo. Fruits also attract animals that ... plants to external stimuli that affect growth patterns and the appearance of plants. A phototropic response involves bending of growing stems or plant parts towards light. Stems grow towards light, while root...

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• Grade Level: High School

... their leaves from drying out, thorns and spines to keep hungry animals at bay, and body shapes that can expand rapidly when water becomes available. Plants have large networks of roots that lie near the surface and can capture rain when it falls. One bush, the creosote bush, actually secretes a substance in its ... roots that keep other roots out of its feeding area. Many desert plants no longer have leaves, or grow only very small ones. They have chlorphyll in their stems. Many cacti do not have leaves ... they store the water that they gather in those stems. They defend themselves w...

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• Grade Level: High School

... carbohydrates. When glucose is combined with nitrogen it forms amino acids, proteins or nucleic acid. Nitrogen is found dissolved in the water absorbed by the roots. Nitrogen is found dissolved in the water absorbed by the roots. Glucose can also be converted to cellulose, which is used to build plant tissues. When converted to starch the glucose is stored in the leaves ... , stems and roots for later use. Some key contributors to the discovery of photosynthesis are: Aristotle = believed plants obtained all the components required for growth from the soil Johannes Baptista = He concluded...

• Word Count: 418
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... mean "putting together with light-. Photosynthesis is one example of how people and plants are dependent on each other in sustaining life. Photosynthesis happens when water is absorbed by the roots of green plants and is carried to the leaves by the xylem, and carbon dioxide is obtained from air that enters the leaves through the stomata and diffuses to the ... crucial to human life because we rely on them as a source of food for ourselves and for the animals that we eat. In these plants water is absorbed by the roots and carried to the leaves by the xylem, and carbon dioxide is obtaine...

• Word Count: 1268
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• Grade Level: Undergraduate

... plasmodesmata. Tissue: vascular tissue, which guides water and nutrients to the cells of the plant; ground tissue, called pith at the center of the stem, which surrounds the vascular tissue. Roots: Roots serve a variety of functions, among them storage, collection of water and nutrients, and support. Steams: The stem of a plant supply pathways for distributing water and nutrients between the ... roots, leaves, and other parts of the plant. Photosynthesis Photosynthesis plays a crucial role in the carbon cycle. Carbon constantly circulates in the earth's ecosystem. In the atmosphere, it ...

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... ethnically rich name, stands for the New African culture that those who opposed assimilation. As Beneatha dances in a robe that Asagai gives her, George deems her interest in her African roots absurd. His comments put him further at odds with Beneatha. She begins to feel more of an affinity with Asagai, and her African ... roots, than with George, and what she considers his false roots in American society. She would rather be with Asagai than pretty and rich, George who she claims she would not marry him to save her family. Ruth believes Beneatha ... ...

• Word Count: 1719
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• Grade Level: High School

... of water through a plant is described as three distinct stages; water uptake; movement up the stem; and transpirational loss through the leaves. 1 Water Uptake. The uptake of water through the roots by a special form of diffusion is called osmosis. Water from the soil enters the cells through the cell wall and membrane. The cell wall allows both water and dissolved organic ... causing the leaf cells to burst, known as oedema. After the water has passed through the endodermis it is transported along with the minerals up to the stem and leaves. Roots as with stems thicken with age and the...

• Word Count: 1016
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... the health and quality of our environment. Trees are the original multi-taskers. Trees provide social, ecological, and economic benefits. Their beauty inspires writers and artists, while their leaves and roots clean the air we breathe and the water we drink. Trees provide useful products Trees are so integrated into our daily lives that it is easy to forget the whole ... maintenance schemes. Communities can create and enhance areas that can be used for the benefit and enjoyment of every one. Trees can keep the ground stable On sloping sites tree roots act to prevent erosion and stabilis...

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... and has rhizoids for anchoring and water absorption. Ferns are parasitic only temporarily. Their foot and stalk are parasitic upon gametophytes. They become independent and develop new structures which are roots, stems, and leaves. Their spore cases are formed on the leaves. Their tissues then simplify. Moss gametophytes are described as "leafy" because they have stemlike structures that bear many leaflike ... of sunlight. They have haploid cells. Mosses have colorless rhizoids which filaments of cells. They do not play a primary role in water and mineral absorption. And they differ fro...

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... in full acknowledgement that the weeds would hinder the growth of her plant. The gardener always knew exactly what to do and even spoke to the plants in hopes their roots would sink into the earth. Throughout her whole life, the gardener never once took a break; her priorities always laid with her garden. As the plants started to harvest, the gardener ... ...

• Word Count: 562
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... its leaves. This organism can only move to evolve and become one of the first land "plants" known as moss, bryophytes. These "plants" are the first to display rhizoids or roots in order to live on land. This species is a chara that has taken root on land. Finally after the bryophytes the development of ferns and conifers becomes evident. The ferns ... ...

• Word Count: 648
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• Grade Level: Undergraduate

... systems in the wild. Sunlight and soil help to restore minerals to the plant. It also helps it produce food. Without fertile soil, a plant is unable to grow, for its roots cannot soak in the minerals. Plants would also not be able to survive without sunlight because, for most plants, it is their source to carry out photosynthesis. Photosynthesis is the ... ...

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... layer is a layer of thin bark. Overall, the stalk averages 3-6cm in diameter. Also, there are distinctly noticeable nodes at intervals of 10cm to 50cm found on the stalk. The roots of the plant tend to spread more horizontally than vertically. The following pictures show mature cannabis plants of the indica species. The picture on the right clearly shows trichomeres, concentrated ... ...

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... as to the emergence of mankind. Millions of years ago, before flowers bloomed across the earth, the landscape consisted of green and brown colors. Then, the flowering plants laid down roots, and soon enough, in geological time, expressed more power and efficiency, by being beautiful and colorful. Without flowers, the world and the human race would have never existed. "Without the ... ...

• Word Count: 405
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... that never thaws. The active layer, which is under the permafrost layer, is the active layer, which thaws in the summer. It helps give water and minerals to the plant roots. Due to the permafrost layer, large trees are unable to grow. The Tundra has very low temperature for most of the year. In the northern parts of the Tundra where ... ...

• Word Count: 539
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• Grade Level: High School

... of soil erosion by removing natural vegetation to clear land for construction projects, mining operations, or farmland. Plants protect the soil from the direct force of raindrops and wind. Their roots form an underground network that holds the soil in place. Plants also absorb some rainwater so that less runs off the land. Thus, fewer soil particles are washed away. Although ... ...

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... , more soil and seeds. Finally, more soil and water to top it off. At the start of germination the radicle will start to grow underneath the soil. Then the true roots will form and the cotyledons will be visible above the soil. Soon, true leaves will grow and the cotyledons will fall off of the bottom of the stem. After germination ... ...

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... firmly in the ground as we seek education and learn more about them. Whoever and wherever our education would bring us, we will always find our way back to our roots, to the cherished garden of our dearest land. Bear in mind that plants, God's creation, are treasured as much as they were before especially by the Filipinos who needed them ... ...

• Word Count: 505
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• Grade Level: High School