At least 42 million acres of tropical forest are lost each year‚ an area the size of Washington State. This equals about 100 acres a minute. An estimated 50‚000 species of plants and animals‚ mostly plants and invertebrates and mostly in the tropics‚ are condemned to extinction every year‚ an average of about 140 a day. The forests of today are comprised of 50% boreal (mainly northern conifers)‚ 44% tropical and 3% temperate areas. Most of the original temperate forests have been cleared so
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Endangered Animals Humans are destructive. Not a lot of us think about how what we do affects the world around us. We almost act like we are the only ones on this planet. We go around polluting and destroying our world with no regard for our actions. The things that live out in the wild are paying the price for it. Every day that passes there is another animal or plant that is placed on an endangered list. This is happening at an alarming rate. Because of man’s desire to expand and conquer their
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Study Sheet for Plant Diversity List the characteristics of land plants. Terms you should be using in that list: multicellular‚ eukaryotes‚ cuticles‚ photoautotrophic‚ cellulose‚ vascular tissue (most have but not all)‚ protection of the embryo‚ alternation of generations lifecycle. All plants are thought to have evolved from a green algal- like ancestor. The first land plants evolved approximately ____________ million years ago. Alternation of Generations lifecycle. Label
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Today’s‚ the terms animal extinction is always heard among us‚ but what is animal extinction mean actually? According to Lin (n.d)‚ There are no more animal species alive wherever in the world due to the extinction of a specific animal or plant species which the species has died out. This is evolution of a natural part In our ecosystem‚ animals are part of it and they help to balance the ecosystem. But‚ due to the human activities‚ these animals begin to disappear from the earth. Dodo bird‚ Tasmanian
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Plant Cell Plant cells are eukaryotic cells or cells with membrane bound nucleus. Generally‚ plant cells are larger than animal cells and are mostly similar in size and are rectangular or cube shaped. Plant cells are similar to animal cells in being eukaryotic and they have similar cell organelles. What is a Plant Cell? Back to Top Plant cells are eukaryotic cells i.e.‚ the DNA in a plant cell is enclosed within the nucleus. The most important distinctive structure of plant cell is the presence
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Blood Relation- Myths and Plants Man has always made it a point in his life to interpret the effects of food in his life. Even we have myths about how hunger came about. And even though we are classed under the group omnivore‚ we certainly have the freedom and capability to adapt according to our desire and mood. While some chose not to eat anything that will embrace their auditory sense with its shrieks or screams of pain‚ some are named cannibals for their love of their own species. Myths
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managers getting more information from tour visits‚ through a simple and rapid assessment form. The form should be filled out immediately after the visit. The evaluation has been inspired by the ideas of Gene Goodson in Harvard Business Review on rapid plant assessment (Goodson‚ 2002). Since its development‚ the method has been successfully applied in
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“What is a poisonous plant‚” one may ask. A poisonous plant is a something that is a toxic and can be harmful to humans‚ animals‚ and even insects. Poisonous plants exist because they may benefit a species‚ but may also be harmful to others. Many noxious plants can result in immense pain‚ sickness‚ disease‚ and mortality. Some of these plants include: the Atropa Belladonna‚ Brugmansia‚ and Ricinus Communis. The Atropa Belladonna emanates from Eurasia‚ which is located northeast of the United States
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A Study in Animal Behavior and the Complexity of Their Action A Study in Animal Behavior Hierarchy Among Animal Species Ethology‚ the study of animal behavior is still a new frontier for scientists (Freedman‚ 1970). Ethology‚ a combination of evolution‚ ecology‚ physiology‚ genetics and psychology‚ has just come about within the last two decades (Raven‚ 1999). Animals are a vital component in the history of the world. For instance‚ the Bible mentions some 100 kinds of animals. In this modern
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Table Animal slaughter is a necessary evil‚ but unfortunately with the way it is carried out it is repulsive. For as long as recorded history mankind has hunted animals for survival and that practice continues today. The main use for an animal is for food; this is the oldest and the most universal form of an animal. With advancements of the world’s civilization‚ animals were traded at markets and the owner would receive a payment for the animal’s value. This process continues today. Animals are
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