earth as a planet of life short paragraph
Earth summary | Britannica (Image credit: Painting copyright William K. Hartmann, Planetary Science Institute, Tucson). I agree with you that evolution is not included in this, and Caleb has a point in saying that individuals that reproduce will evolve. How soon that can happen depends on two unknowns: the prevalence of life in the galaxy and how lucky we get as we take those first, tentative, exploratory steps. Direct link to Elva Hernandez's post There are five groups of , Posted 7 years ago. Online Preschool is the Only Way Your Child's Learning Can Continue This Year, Don't Wait Any Longer - Get Started! Air pollution, water pollution, land degradation and deforestation have been caused due to mans actions. There are different minerals which are present in the crust which are responsible for the formation of rocks. Motions: It has two motions: 1. The sum total of the biochemical reactions occurring in an organism is called its, Metabolism can be subdivided into anabolism and catabolism. It contains mostly water vapor and the gases nitrogen (77 percent) and oxygen (21 percent). We must protect these bounties otherwise life will be threatened. Save Earth Essay 1 (100 words) As we all know that earth is the only known planet having life in this universe. The atmosphere gets thinner as it gets farther from the surface. And, how do you know if the cells are "organized"? Short Paragraph on Planet Earth. Direct link to Evan L.'s post How does the ability to e, Posted 6 years ago. This has resulted in mass extinctions and the wipeout of civilizations and organisms. Direct link to Sophia Leeman's post The qualities of living t, Posted 7 years ago. The air that surrounds our planet is a mixture that is conducive for life forms to live. Save my name, email, and website in this browser for the next time I comment. Left: image of a Salmonella bacterium dividing into two bacteria. What are the major scientific theories for how life emerged? We also create imbalance in the food chain by clearing forest areas. Some microorganisms thrive in the scalding, highly acidic hot springs environments like those found today in Iceland, Norway and Yellowstone National Park. The Earth plays a vital role in our lives. We live on a planet in a solar system with seven other planets and have discovered thousands of exoplanets to date. Scientists think that by 4.3 billion years ago, Earth may have developed conditions suitable to support life. Earth also has the perfect range of temperatures for life. So far no form of life has been discovered on any other planet or satellite. Credit: discovermagazine.com. Let us know if you have suggestions to improve this article (requires login). In previous simulations, both large and medium-sized objects consumed their pebble-sized cousins at a relatively constant rate, but Levison's simulations suggest that the larger objects acted more like bullies, snatching away pebbles from the mid-sized masses to grow at a much faster rate. Take a minute to check out all the enhancements! Landforms such as mountains, hills, plateaus and plains are the four major types of land we see on Earth. The large mass of the Sun keeps the Earth in orbit through the force of gravity. The Earth formed about 4.5 billion years ago. Join our Space Forums to keep talking space on the latest missions, night sky and more! Be clear about the direction of the essay in the beginning to ensure consistency. The Earth sustains life because of the natural resources like sunshine, air water and vegetation available on the planet. For young children, we will stick to the very basics in this form of the essay. Water is needed for all vegetation to grow. These continents are surrounded by four major bodies of water: the Arctic, Atlantic, Indian, and Pacific oceans. A few years earlier, in 2012, researchers Michiel Lambrechts and Anders Johansen from Lund University in Sweden proposed that tiny pebbles, once written off, held the key to rapidly building giant planets. There was not much oxygen or water to speak off as we now know it. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Short Paragraph on Planet Earth - nmk.world Its total surface area is roughly 509,600,000 sq km (197,000,000 sq mi), of which about 71% is water. The Earth has an imaginary line which runs straight through its centre (vertically) and is called as its axis. As scientists have been able to find more and more exoplanetsthat is, planets around stars elsewhere in the galaxythe question of what the essential ingredients for life are and how to look for signs of them has heated up. Living organisms have many different properties related to being alive, and it can be hard to decide on the exact set that best defines life. Direct link to ReyAnn Haney's post From what I learned recen. It has no atmosphere, and it doesn't have any moons. The magma which is always flowing if or when comes to a stop, it bursts out of the earths crust due to the high amount of pressure generated by the gases present in the magma. The disk instability model contends with the core accretion model's issue with time; specifically how quickly massive gas giants would have to grab lighter components. All About Earth | NASA Space Place - NASA Science for Kids The Earth has one natural Satellite called as the Moon. The Earth came into existence millions of years ago, and there have been billions of animals and humans that have walked the same Earth as we do now. The Earth is the only planet that supports life because of the availability of air, water, and gases needed for survival. "In the core accretion scenario, the core of a planet must reach a critical mass before it is able to accrete gas in a runaway fashion," said the CHEOPS team. Direct link to donalddas16's post Yes, DNA is of course a m, Posted 7 years ago. Its only natural satellite, the Moon, orbits the planet at a distance of about 384,400 km (238,900 mi). According to exoplanetary astronomer Paul Wilson, if disk instability dominates the formation of planets, it should produce a wide number of worlds at large orders. Short Paragraph on the Solar System and Planets - IMP WORLD "This critical mass depends upon many physical variables, among the most important of which is the rate of planetesimals accretion.". Deforestation, building of dams across rivers, clearing of natural habitats of wildlife, as also air and water pollution have all adversely affected the natural equilibrium on Earth, causing threats to all life forms including man. Millions of years ago, the Earth was formed in one small corner of the galaxy named the Milky Way. The Earth must be Saved for our Own Survival. Earth - Simple English Wikipedia, the free encyclopedia If we do not save our Earth from destruction, our own life can get destroyed. In 2019, the European Space Agency launched the CHaracterising ExOPlanet Satellite (CHEOPS), which was designed to study exoplanets ranging in sizes from super-Earths to Neptune. God created earth with all of the right conditions for life to survive and thrive as He filled the land and seas with all kinds of organisms. Covering a story? Today, research on the origin of life at UChicago is expanding. The Earth and its resources can be protected by man. How does the ability to evolve define whether one living thing is alive? So we should respect and maintain everything we get from our mother earth. We should save the mother earth so that our future generations can live in a safe environment. When seen from the space it appears blue because of presence of water. And farther away from the sun, the solar wind had less of an impact on lighter elements which allowed these elements to coalesce into gas giants. It provides us with habitat, water, food, etc. Earth is the third planet from the Sun in the Solar System.It is the only planet known to have life on it. What are examples of Unicellular organisms? Similarly, dumping of domestic and industrial garbage into water bodies has resulted in water pollution. Many thousands of life forms including man live on Earth. This Pangaea then underwent a gradual drifting known as the Continental Drift and then broke down into different landmasses which are todays continents with minor changes. Some even simpler molecules, such as self-replicating proteinslike the prions that cause mad cow diseaseand self-replicating RNA enzymes, also have some, but not all, of the properties of life. What is life? (article) | Intro to biology Then we would be homeless, and along with all life forms we would perish. Nonetheless, the list above provides a reasonable set of properties to help us distinguish between things that are alive and those that are not. Direct link to Kaydon Payne's post Hinny is a stallion and a, Posted 7 years ago. To explain its presence on Earth, one theory proposes that a class of meteorites called carbonaceous chondrites formed far enough from the sun to have served as a water-delivery system. For instance, your body temperature needs to be kept relatively close to 98.6, Living organisms undergo regulated growth. What is chirality and why is it biologically important? The Earth is home to over 5 million species of plants and animals, most of which have still not been identified or recorded. Individual cells become larger in size, and multicellular organisms accumulate many cells through cell division. Several seminal experiments in this topic have been conducted at the University of Chicago, including the Miller-Urey experiment that suggested how the building blocks of life could form in a primordial soup. It is about 4,300 miles (6,900 kilometers) across. All these planets revolves around the sun and are part of our solar system. Life on other Planets. MIT astronomer Sara Seager, is a McArthur Genius Fellow and leader . It is mostly nitrogen, and it has plenty of oxygen for us to breathe. It takes Earth 365.25 days to go around the Sun once. The earth takes 24 hours to rotate on its axis, causing us to experience the . Its total surface area is roughly 509,600,000 sq km (197,000,000 sq mi), of which about 71% is water. As for right now, I would say that "evolution" shouldn't be on that list. These planets also quickly reach an orbit-stabilizing mass that keeps them from death-marching into the sun. But the core accretion model isn't the only explanation for how planets might come to be. Collisions between these cosmic bodies likely deposited much of the water on Earth's surface. (Sorry if this doesnt entirely answer your question). Improved homework resources designed to support a variety of curriculum subjects and standards. The Earth must be protected if life on the planet is to be protected. The Earths surface is very complex as it is made up of the crust which is uneven in the form of plains, plateaus, mountains, oceans, etc. Small particles drew together, bound by the force of gravity, into larger particles. We, along with our canine friends and the plants in our yards, are made of cells, metabolize, maintain homeostasis, grow, and respond. Our planet Earth is a part of the Solar System with the Sun (A star) present at the centre and 8 planets including the Earth revolving around it. They use these periods to explain how and when changes on Earth took place. We would not have existed without the Earth! An artistic conception of the early Earth-moon system showing the Earth's surface after being bombarded with large impacts, causing magma extrusion on the surface, though some liquid water was retained. The crust is Earths thin, rocky outer layer. (Image credit: Ashley Norris/Oxford University). Land covers about 30 percent of Earths surface. Forests keep the hydrological cycle going. Privacy Policy 9. Credits: NASA. The Moon is about 239,000 miles (384,000 kilometers) from Earth. This eventually forms a planet. Now that we are comfortable with writing essays (information) in a numeric form, we can move along to writing essays in paragraph form. It's the only planet in our solar system we know of that supports life. The Centre of the Earth is known as the Inner Core (1300 km in thickness) and is very hot with the temperature of about 4800 C. Show example of how homeostasis is maintained. Earth also spins, or rotates around its axis. Still others might emphasize that life is carbon-based. Subscribe Below !! Living things may keep some properties of life when they become nonliving, but lose others. and is always moving as it generates gases which are under very high pressure. November 5, 2022 0 17337 In This Article Key Points To Remember When Writing An Essay On Earth For Lower Primary Classes 5 Lines On The Earth For Children 10 Lines On The Earth For Kids A Paragraph On Earth For Children Short Essay On Earth In English For Kids Long Essay On Earth In English For Children Amazing Facts About Earth For Kids Small drawings of connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Essay on Save Earth for Students and Children | 500+ Words Essay - Toppr Can anyone help explain why evolution is necessary for a species to be considered living? Since you have limited words, be choosy about what you wish to write and what you wish to omit. Without chirality, large biological molecules such as proteins would be unable to form structures that could be reproduced. This process, called fertilization, is illustrated in the image at far right. Essay writing is an important skill that children must excel at as it helps them in life. The Earth has air which we can breathe to stay alive. Levison and his team built on that research to model more precisely how tiny pebbles could form planets seen in the galaxy today. After translating an article, all tools except font up/font down will be disabled. Space is part of Future US Inc, an international media group and leading digital publisher. It has rivers, valleys, mountains, hills, forests, oceans, plains and beaches. Earth is one of the eight planets that orbit, or travel around, the sun in the solar system . Species evolve because they are alive; they are not alive because they evolve. Trees thus also help in keeping the levels of carbon dioxide, a greenhouse gas, in the atmosphere in check. I will use the word LIFE to describe all forms and types of life on earth. Afforestation, reforestation, recycling of used paper and other natural products, saving of natural resources (minerals, coal, stones, oil, etc), electricity, water and environment should be supported and promoted. The four giant planets orbiting at significant distances around the star HD 9799 provides observational evidence for disk instability. Antibiotics cannot kill viruses because bacteria and viruses have different mechanisms and machinery to survive and replicate. The Earth is the only planet known to support life. reported finding extraterrestrial organic material, the discovery of the pro-chirality concept, State approves UChicago Medicines plan to build citys first freestanding cancer care and research center, Using a foreign language can reduce false memories, study shows, UChicago partners with CIC to create shared lab, office space in Hyde Park, Blood test can help doctors predict severe preeclampsia earlier and more accurately, Timothy P. Harrison appointed director of the Institute for the Study of Ancient Cultures, Octopuses, other cephalopods can adjust to cold by editing their RNA, Lets get weird: Scav judges revel in oddball challenges, Theater as a living art form means that anything should be fresh., Sixteen UChicago faculty members receive named, distinguished service professorships. However, this part of the Earth harbours all known life in the Universe. There are various other factors which are responsible for the weathering and climatic changes observed on the Earth along with the variations in every theory which explain the origin of the Earth and the evolution of Life on this Planet. The climate of the Earth is mild. The Earth is third in its position to revolve around the Sun with other plants like Venus on the second position that is before the Earth and Mars on the fourth position that is after the Earth. Also, carbon, like gold, is rare at the Earths surface. Dense material sank to the . Earth is the only planet which can sustain life on it. 3 Ways to Save the Planet | The Nature Conservancy The fifth largest planet of the solar system, it has an equatorial circumference of 40,076 km (24,902 mi). Hutton went on to make the analogy between the circulation of the blood, discovered by Harvey, and the circulation of the nutrient elements of the Earth and of the way that sunlight distills water from the oceans so that it may later fall as rain and so refresh the earth. This, in turn, supported the evolution of life on Earth. Sunlight provides the energy source at the surface, which drives photosynthesis. So, how did the small amounts found at the surface get there? isn't DNA like molecules in a chromosomes. Below is an essay for class 1, 2 and 3 on Earth. Essay On Earth - 10 Lines, Short And Long Essay For Kids Earths axis does not run straight up and down in relation to the Sun. The language must be simple and comprehensible. The Earth and its environment have been adversely affected due to many of mans wanton activities. The years of torture that we humans have inflicted upon our planet has taken a toll on it and propelled it towards a point of hopelessness. Man and other creatures need water to drink. Indeed, NASA's working definition that "life is a self-sustaining system capable of Darwinian evolution" opens the door to many more possibilities than the . There is an imaginary line which runs through the equator of the Earth and is called as an Orbit. One such planetary system is our Solar System. Then the Southern Hemisphere gets more Sun than the Northern Hemisphere. Save The Earth Essay for Lower Primary Class Children, 10 Lines, Short and Long Essay on Environment for Kids, Unity Is Strength Story With Moral For Kids, Fuzzy Wuzzy Was A Bear Nursery Rhyme For Kids, The Dog In The Manger Story With Moral For Kids. This is equal to one day. This bursting of the magma from the cracked crust is known as a Volcano which is very dangerous due to the amount of lava is throws out of the Earth and the deadly gases. Our wonderfully designed magnetic field protects us from much of the harm the sun could do to us. When forests are cleared, the land that thus becomes available is used for building residential and industrial areas. The carbon-dioxide that we breathe out is also present in the air, and is used by plants and trees to carry out photosynthesis so that they can live. At the same time the Southern Hemisphere has winter, its coldest season. Moving on to a slightly longer form of essay, we can start adding in more information and maybe even add paragraphs. Focus on the very basics, as this is for a lower primary class; children arent expected to write in detail. Direct link to Ivana - Science trainee's post It is a matter of debate., Posted 6 years ago. The ultimate goal of NASA's exoplanet program is to find unmistakable signs of current life on a planet beyond Earth. Earth is our home planet. It is mostly made up of solid rock and minerals. It is the only planet which supports life. The land is divided into seven huge pieces called continents. Our Earth is located in the Milky Way galaxy. It is a huge ball of about 12750 kilometres across and 40,000 kilometres in circumference. The team suggested micrometeorites as the materials likely source. What water, chemistry and temperature cycles fostered the chemical reactions that allowed life to emerge on our planet? Plastics, for instance, are a source of major environmental degradation. This makes it all the more serious to save the earth and save our lives. This is affecting the survival conditions for human beings and all living things. The oldest known fossils, however, are only 3.7 billion years old. Plants, shrubs, grasses, creepers, and trees all need water to grow. A flight engineer receives 3D geometric models from the surface systems and uploads the models into a virtual reality metaverse so anyone back on Earth can explore Mars. Its orbit is the path it takes around the Sun. Trees use up carbon-dioxide from the air for carrying out the process of photosynthesis, and give out oxygen, which we need for breathing. Some changes have taken place over millions of years as wind and water have eroded, or worn away, the land. The Earth is a planet that sustains life. Many of man's activities have caused disturbance to the Earth and its environment. Required fields are marked *, All Rights Reserved Copyrights @ 2020 StudyToday.net. Mercury likes to keep things simple. However, in more recent times, we humans have been overusing our resources as well as polluting the environment, which is negatively affecting the planet and our co-habitants. Believed to be about 4.56 billion years old, it is some 149,600,000 km (92,960,000 mi) from the Sun. As these particles increase in size, the attraction between the molecules increases. These include: As a University of Chicago graduate student in 1952, Stanley Miller performed a famous experiment with Harold Urey, a Nobel laureate in chemistry. Some ways are: Below are something amazing facts about our Earth for kids: Your child will learn a lot aboutour planet, its origins, its movements, etc. Moreover, all of the properties of life we have discussed are characteristic of life on earth. All life on Earth is affected due to the ecological damage that has occurred due to mans misdirected actions. We can protect the Earth by not polluting and destroying it. The Earths Crust is known as Lithosphere and means that it consists of a lot of rocks which may be characteristic in their features and composition. Various answers have been proposed, all of which remain unverified. The oxygen in the air is what we breathe in, and it is what keeps us alive. Scientists now believe that Earths early atmosphere had a different chemical makeup from Miller and Ureys recipe. World Earth Day is celebrated on 22nd April every year. One finding that has helped to strengthen core accretion's legitimacy as an explanation for planet formation is the 2005 discovery of a giant planet with a massive core orbiting the sun-like star HD 149026. Copyright 10. For instance, some lists might include movement as a defining characteristic, while others might specify that living things carry their genetic information in the form of DNA. Earth is a planet of the solar system. Save Earth Essay - imp.center Plate motions are responsible for continental drift and seafloor spreading and for most volcanic and seismic activity on Earth. NY 10036. The Earth completes one rotation in 23 hours 56 minutes. They write new content and verify and edit content received from contributors. Plants, animals, and people live on the crust. Earths atmosphere goes up to a few hundred miles above the surface. The movement of the Earths Crust to form mountains is known as the horizontal movement which is caused due to the compression and tension. To their disappointment, someone pointed out that a lone rabbit did not meet this bar. The Earth is the only planet in our Solar System which could sustain life. For example, we can avoid using plastic water bottles. Fluid motions in the electrically conductive outer core generate a magnetic field around Earth that is responsible for the Van Allen radiation belts. Save Earth Essay for Students in English - BYJU'S The computer youre using to read this article is not alive, and neither is a chair or table. While the core accretion model works for terrestrial planets, gas giants would need to evolve rapidly to grab hold of the significant mass of lighter gases they contain. Earth also turns around in space, so that . Indeed, NASAs working definition that life is a self-sustaining system capable of Darwinian evolution opens the door to many more possibilities than the criteria defined above. Many natural systems that sustain life on Earth have been affected in the process. The count of amino acids found in the Ryugu samples now exceeds 20 different types. Our planet Earth is a part of the Solar System with the Sun (A star) present at the centre and 8 planets including the Earth revolving around it. However, not everyone agrees with this conclusion, and whether they count as life remains a topic of debate. The microorganisms that live near such plumes have led some scientists to suggest them as the birthplaces of Earths first life forms. Since the beginning of our existence, we have exploited nature by cutting innumerable trees to build infrastructure and killing animals for food. Its atmosphere began to form as the planet started to cool and gravity captured gases from Earth's volcanoes. The biological and geological future of Earth can be extrapolated based on the estimated effects of several long-term influences. The Earth has water bodies like rivers, streams, lakes, seas and oceans. Life is sustained by the Earth and its natural resources such as sunlight, air, water and vegetation. These elements become solid only under very cold temperatures, such as exist in the outer solar system, not nearer to the sun where Earth is. However, due to the overuse and wastage of resources, the planet is in danger, and global warming is increasing. Water must be pure and fit to be consumed. (Image credit: Tobias Stierli/NCCR PlanetS). Below is a short paragraph on Earth. These reactions make it possible for organisms to do worksuch as moving around or catching preyas well as growing, reproducing, and maintaining the structure of their bodies. Our planet lies in what is known as the Goldilocks zone, a region surrounding a star that is close enough for liquid water to exist on a planet's surface, with water neither freezing nor evaporating. The last ingredient is water. Earth | Definition, Size, Composition, Temperature, Mass, & Facts Answer (1 of 9): Timothy 's answer is pretty good although I have a slightly different take. Trees play a major role in ecological balance. Life likely first began about 3.8 billion years ago, less than a billion years after the Earth was formed. If there were no sunshine, air, water and vegetation on the planet, there would be no life on it.