Estimated Number of Animal and Plant Species on Earth Believe it or not‚ there are about 950‚000 species of insects No one knows for sure how many species of animals exist on Earth. In fact‚ some 10‚000 species of animals are discovered each year‚ with over one and a half million species already described. Projections for the total number of species on Earth range from 2 million to 50 million. Animal group Number of species Vertebrates Amphibians 6‚199 Birds 9‚956 Fish 30‚000 Mammals
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Millions of years before animals lived on land; there were trees on the Earth. But today trees are in serious danger. Everybody knows that trees produce oxygen that we breathe and take carbon dioxide that we exhale that is why trees called the lungs of our world. As man cannot live without lungs‚ so and world cannot exist without trees. Factories‚ power stations and cars emit tons of smoke into the air. This smoke contains sulphur dioxide and nitrogen oxide. These substances mix with water vapor
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in Leaves of Eucalyptus Trees” Article Summary Have you ever said “I wish money could grow on trees?” Well that could actually be true! Geoscientist Melvyn Lintern was the author of “Gold Particles Found in Leaves of Eucalyptus Trees.” This article was published in Science News magazine on October 23‚ 2013 and retrieved online at http://www.sci-news.com‚ on January 16‚ 2014. Melvyn Lintern from CSIRO (Commonwealth Science and Industrial Research Organization) Earth Science and Resource Engineering
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variety of health risks for people. Pollution is the main reason behind skin cancers‚ asthma‚ bronchitis‚ and other respiratory disorders. Even newborn children can get affected. Following steps can be taken by the state and even individuals to save the environment. Adopt energy efficient engines All vehicles must have 3 way catalysts and fuel controls so that they emit out less smog. They should be made mandatory by law as has been done by the state of California. Build an efficient public
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Lalyn C. Nillosa Blk 166 L16 Calachuchi St. Pembo Makati City Philippines‚ 1218 Mobile No.: (63920) 711-8245 Email Add: lalynnillosa@yahoo.com PERSONAL INFORMATION Permanent Address : Blk 166 L16 Calachuchi st. Pembo Makati City‚ Philippines Birth Date : June 18‚ 1988 Birth Place : Paranaque City‚ Manila Height : 5’3 ft. Weight : 42 kls. Sex : Female Civil Status : Single Religion : Roman Catholic Nationality : Filipino EDUCATIONAL BACKGROUND Elementary
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Trees occupy an important place in the life of man. The trees provide us flowers‚ fruits‚ fodder for animals‚ wood for fire and furniture and provide cool shadow from scorching sun. They give us so many such good things and yet expect nothing in return. Trees give us fruits for food and flowers for pleasure. They provide us timber (wood) for building our houses and making furniture. They provide us wood for fuel. They supply sleepers for the railway line. Many trees provide us medicinal products
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Ministry of Education Importance of trees Student name: Grade: 10-g Introduction Trees are important to humankind not only economically‚ environmentally and industrially‚but also spiritually‚ historically and aesthetically‚ for they sustain human life through direct and indirect gains by providing a wide range of products for survival and prosperity. However‚ it is not always easy to define “tree.” A tree is a large‚ long-lived (i.e.‚ perennial) woody plant that attains a height of at least
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SAMPLE ENTRANCE EXAMINATION PAPER For pupils currently in Year 7 MATHEMATICS ● The test is one hour long. ● No calculators to be used. ● Show all working beside the relevant question. ● Write in ink‚ draw diagrams when necessary in pencil. ● Do not write in the right hand margin. RMH S0908 MAT 1. Calculate: a) (1) b) 1710 ÷ 15 (1) c) 52 – (8 – 2 x 3) (2) d) – 5 + 12 (1) e) 2. 1.5 x 785 18 – 26 (1)
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Topic: The Benefits of Trees Thesis statement: The benefits of trees can be grouped into social‚ communal‚ and environmental categories. Most trees in our communities are planted to provide beauty or shade. These are two excellent reasons for their use. Trees serve many other purposes or functions which should be considered when selecting trees for landscaping. The benefits of trees can be grouped into social‚ communal‚ and environmental categories. We like trees around us because they make
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THE EARTH IS PRECIOUS The earth gives us life and many things which we need in our daily life‚it provide us with natural resources which is mostly needed for humans and technology.But perhaps our planet is in great danger. For the last one hundred or so years‚ the people of earth have wasted and misused the natural recourses of earth. Several plans have been developed to stop the abuse of earth in which many of them can be executed by any one. Environmental problems have become so complex that many
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