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a mysterious world with more to the human eye

khyati danak

on 23 September 2013

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Transcript of PLANTS

The Way out
There are many types of plants. For example, carnivorous plants. These include Venus flytraps, Sun dews, Asian Pitcher Plants, Butterworths and Magnolias. These are some of the most deadliest and rare plants ever. They are found worldwide in countries like Japan, Australia, Brazil, North America. You mostly find them in swamps, ponds and rainforests. Some other types of plants are biennial plants which are flowering plants that take 2 years to complete their life cycle, deciduous plants which are plants that lose their leaves during Autumn, evergreen plants which keeps its leaves the whole year round, herbaceous plants which are plants that do not have much wood and their stems are green and soft, perennial plants which are plants that bear leaves and flowers every year and finally, succulent plants which are plants that have adapted to very hot and dry climates.
The world of plants!!
The journey we are about embark on is all about the secret world of plants! Plants are the base of all living organisms, They help all living things survive on earth. These producers are amazing things! In this presentation, you will learn about the kingdom Plantae, the plant life cycle and structure, types of plants, plants and insects, plant uses and finally a short video we have prepared for you. Enjoy!

Life Cycle And Plant Structure
Types of plants!

The Plantae Kingdom!
The plants have a very interesting kingdom, known as the “Plantae Kingdom”. Before we explain this kingdom let us tell you, the definition of a plant. A plant is made up of many cells. It contains chlorophyll and it can't move from place to place. The Plantae kingdom can be classified into two groups. The first group reproduces from seeds and is know as a vascular plant. The second group reproduces from spores and is known as a non-vascular plant. What is the difference between a vascular and non-vascular plant you may be wondering? Well, non-vascular plants are an important part of the ecosystem and prevent erosion. They also do not grow flowers and grow on the ground, rocks and sometimes on other plants. Examples of non-vascular plants include algae, bryophytes and moss. Vascular plants on the other hand, are plants that have tubes known as xylem and phloem. these tubes transport water, food and minerals throughout the plant. Some examples of vascular plants are ferns, sunflowers and tulips (mainly flowers).
The life cycle of a plant is very interesting. In a flower, there are male parts called the stamens and a female part called the pistil. The stamens create a sticky powder called pollen which, in order for the plant’s creation, must reach the tip of the pistil, called the stigma. That is when the making of the eggs, or ovules begins. When pollen from a plant’s stamen is transferred to the same plant’s stigma, it is called self-pollination. When pollen is transferred from one plant’s stamen to another plant’s stigma, it is called cross-pollination. However, cross-pollination creates stronger plants. As you know, plants have many different parts. For example, the roots of the plants pull water and minerals from the soil underneath them. The stems transport food and water, the leaves create food molecules and absorb carbon dioxide and the tip of the main stem has a specialized structure for the new growth for plants. Plants are also made up of cells. Inside a plant cell there is a cell wall, a cell membrane, a vacuole, nucleus, nuclear membrane, chloroplast, mitochondrion, cytoplasm, amyloplast, centrosome, rough ER, smooth ER, ribosomes and Golgi body.
insects and plants!
Insects and plants interact with each other a lot. They also help us in many ways. Bees depend on flowers for food and flowers depend on bees for aiding in pollination. Not all flowers can be pretty and something to pluck! Some plants are dangerous and have traps. They don’t depend on insects for pollen, they depend on them for food! Some plants are created by nature to have sweet pollen or other attractive things to attract the insects and however long it takes [usually an instant to 20 secs] and then the plants eats and kills the poor bug. Usually plants like this have a sticky natural glue that never lets the bug escape and closes in on them to start eating. It’s not good but its not bad either since its sad when something dies but the plant is just trying to eat food.
Plant uses
Plants have many uses. For example, they play a main role in the food chain. They play the part of the producer, manufacturing their own food so that other living things such as herbivores and omnivores can eat them. They also produce oxygen using the process called photosynthesis. Photosynthesis is a process that uses water, sunlight and carbon dioxide to produce oxygen and glucose. Plants can be used to prevent soil erosion. For example, if a plant is planted on a cliff, it can prevent the soil from falling off the cliff and therefore save it from erosion. However, one of the most important things plants can be used for is that they can be used to make medicine and can treat diseases and other sicknesses.
we present to you our

As our science presentation comes to an end, we hope we have enhanced your knowledge about these plants. Plants are an amazing part of our world, and some are still waiting to be discovered. who knows maybe you'll discover a new plant or a whole new way of looking at plants!?!
As always...........

- google images
-national geographic
-facts monster
By; Khyati, Purva, Trisha, Ashmi
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