1.海洋生物小知识 英文
Marine biology is the scientific study of organisms in the ocean or other marine or brackish bodies of water. Given that in biology many phyla, families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy. Marine biology differs from marine ecology as marine ecology is focused on how organisms interact with each other and environment and biology is the study of the animal itself.Marine life is a vast resource, providing food, medicine, and raw materials, in addition to helping to support recreation and tourism all over the world. At a fundamental level, marine life helps determine the very nature of our planet. Marine organisms contribute significantly to the oxygen cycle, and are involved in the regulation of the Earth's climate.[1] Shorelines are in part shaped and protected by marine life, and some marine organisms even help create new land.[2]Marine biology covers a great deal, from the microscopic, including most zooplankton and phytoplankton to the huge cetaceans (whales) which reach up to a reported 48 meters (125 feet) in length.The habitats studied by marine biology include everything from the tiny layers of surface water in which organisms and abiotic items may be trapped in surface tension between the ocean and atmosphere, to the depths of the abyssal trenches, sometimes 10,000 meters or more beneath the surface of the ocean. It studies habitats such as coral reefs, kelp forests, tidepools, muddy, sandy and rocky bottoms, and the open ocean (pelagic) zone, where solid objects are rare and the surface of the water is the only visible boundary.A large amount of all life on Earth exists in the oceans. Exactly how large the proportion is unknown, since many ocean species are still to be discovered. While the oceans comprise about 71% of the Earth's surface, due to their depth they encompass about 300 times the habitable volume of the terrestrial habitats on Earth.Many species are economically important to humans, including food fish. It is also becoming understood that the well-being of marine organisms and other organisms are linked in very fundamental ways. The human body of knowledge regarding the relationship between life in the sea and important cycles is rapidly growing, with new discoveries being made nearly every day. These cycles include those of matter (such as the carbon cycle) and of air (such as Earth's respiration, and movement of energy through ecosystems including the ocean). Large areas beneath the ocean surface still remain effectively unexplored.。
2.小学三年级
海洋即“海”和“洋”的总称。地球的四分之三的面积被海洋覆盖。总面积大约为3亿5525万5千平方公里。一般人们将这些占地球很大面积的咸水水域称为“洋”，大陆边缘的水域被称为“海”。少数地球以外的星体也有海洋，一些尚有海洋或冰洋，如卫星土卫六、木卫二，一些行星如火星、金星曾经可能有过海洋或火浆洋。
因为海洋面积远远大于陆地面积，故有人将地球称为“大水球”。四大洋在环绕南极大陆的水域即南极海（又称南部海{Southern Ocean}）大片相连。传统上，南极海也被分为三部分，分别隶属三大洋。将南极海的相应部分包含在内，太平洋、大西洋和印度洋分别占地球海水总面积的46%、24%和20%。重要的边缘海多分布于北半球，它们部分为大陆或岛屿包围。最大的是北冰洋及其近海、亚洲的地中海（介于澳大利亚与东南亚之间）、加勒比海及其附近水域、地中海（欧洲）、白令海、鄂霍次克海、黄海、东海和日本海。
3.三年级上册海洋小手抄报知识怎么画
大海的手抄报文字内容
小水滴与大海
很久很久以前，在一户村庄的小溪里有着一颗晶莹可爱小水滴，他梦想着、盼望着想要流入大海，变成大海里的一份子。但小水滴的母亲小溪却不同意让小水滴流入大海。
这天，小水滴问它的母亲小溪：“妈妈为什么大海会永不干涸呢？”小溪妈妈回答它：“孩子你要知道，浩瀚的大海也是由无数水滴组成的，有你、还有你的许许多多的伙伴，如果没有了你们，也就没有了大海。这就叫‘不积小流，无以成江海。”小水滴听完后，想要融入大海的决心更强了。
春天过去了，取而代之的是酷热的夏日，热日炎炎，岸边的花枯萎了，田里的庄稼渴死了，小溪妈妈的身体也渐渐缩小了。小溪妈妈对着小水滴说：“好孩子，你去大海里吧，那里永不干涸。你首先要绕过前面那几座高山，再进入一条江，穿过湖那边的那座桥，才能到达大海，但是你要记住，即使在路上有悬崖当道，哪怕从悬崖上掉下，摔得粉身碎骨，也要想尽一切办法再重新汇聚起来，流向大海。再见了，孩子，祝你一路顺利！”小水滴向妈妈挥挥手就出发了。
小水滴经过千辛万苦终于来到了大海。小水滴开心地从东跑到西。玩儿累了，就躺在大海老人的怀抱里进入甜甜的梦乡。在梦乡里小水滴开心的笑了。
4.英语作文海洋小故事
PollutionSea pollution is becoming an increasing problem for our planet and we have a responsibility to reduce sea pollution.I need to describe the problem. Our ship currently dumps all its rubbish into the sea.It's easy to result in huge endanger. First of all, Non-organic substances such as plastic bags kill fish and whales. Because fish get trapped and whales cannot digest them. Secondly some rubbish is inherently toxic.I can suggest some solutions. First and foremost we can create a better system of disposing of rubbish for instance. We ought to store rubbish. Next, we are supposed to make ships environmentally and friendly. A case in point is that we should stop providing plastic bags.We must act now before it is too late！海洋污染英语作文二：Reduce Sea PollutionSeveral problems are caused by the non-organic substance. We ought not to pour wastes into the ocean, because it not only pollutes the ocean, but also lead to a series of harmful consequence. First and foremost, the non-organnic things, for instance, plastic bags, may kill fish and whales. Second, fishes can't digest them. Finally, some of the rubbish is inherently toxic, they will posion marine life.We must take actions to protect our whale from dying. One thing we should do is creating a better system of disposing of rubbish. Another effective solution is making ships environmentally friendly. Sypermarkets shall stop the giving of plastic bags.As a captain of the ship, you should spare no efforts to think more helpful ideas and stop dumping rubbish from now on. We all need to raise awareness of these problems. It now becomes necessary that we must act now, before it is too late！海洋污染英语作文三：Sea pollutionBetween 75 and 80% of marine pollution is caused by land, particularly agriculture. 30% of this is from the atmosphere. Around 12% of the pollution is caused by maritime transport.In South America, 98% of domestic wastewater ends up, untreated, in the sea. The countries along the Mediterranean Sea throw 50 million tons of waste into it every year and the Chinese throw 60 million tons of waste into the Yellow sea daily. Over half of the hydrocarbon discharge comes from continents, 5% comes from oil tanker accidents, 20% comes from waste and other ship-related accidents, 4% from sea exploitation and 11 to 15% is due to natural causes. Accidental pollution through hydrocarbon is significantly decreasing and only represents a small percentage of waste through degassing estimated at between 1.5 and 3 million tons of oil a year. In 2003, according to the WWF, between 0.7 and 1.3 million tons of oil were spread by degassing in the Mediterranean. According to the Ifremer (the French Institute for Exploitation of the Sea), coastal water pollution cost the world economy almost 12.8 billion dollars in 2006.Marine pollution is the result of products being thrown into seas and oceans, mostly by mnkind: domestic waste (sewage and rubbish, pollutants in runoff water。
), industrial waste (hydrocarbons, metals, synthetic chemical and organic substances, radionuclides。) and agricultural waste (fertilisers, pesticides。
).This includes water pollution and marine sediments, and more generally all damage to marine ecosystems caused by harmful substances being discharged into the sea, either by their nature or their quantity.海洋污染英语作文四：Sea PollutionMarine environment is one in water, seawater tolerance hydrolyzate and suspended solids, seabed sediment and marine organisms, including complex systems. Ocean rich biological resources, mineral resources, chemical resources and power resources is an indispensable resource treasure house of human beings, with human survival and development of the relationship very close.The main objective of the current marine conservation is to protect the living marine resources, so as not to failure, in order for human sustainable use. In particular, give priority to protect those valuable and critically endangered marine life. According to the UN for investigation, due to overfishing, accidental capture and killing of non-target to allow hunting of marine, coastal shoreline construction, mangrove deforestation, widespread marine pollution, at least the world's 25 most valuable fishery resources depleted, whales, sea turtles, manatees and many other marine animals face extinction risk. Is expected that with the expansion of the scale of ocean development,Marine living resources are likely to cause more damage.The task of the first marine protected right to stop over-exploitation of living marine resources and secondly to protect the habitat of marine life or habit。
5.急需十条关于海洋的小知识
1.人们常喜欢用蓝色来形容海洋。其实海水的颜色，从深蓝到碧绿，从微黄到棕红，甚至还有白色的，黑色的，并非只是蓝色。
海水和普通水一样，都是无色透明的，海洋色彩是由海水的光学性质和海水中所含的悬浮物质、海水的深度、云层的特点及其他因素决定的。大家知道，太阳光由红、橙、黄、绿、青、蓝、紫七种颜色组成，这七种颜色的光，波长各不相同，从红光到紫光，波长逐渐变短，长波的穿透能力最强，最容易被水分子吸收，短波的穿透能力弱，容易发生反射和散射。海水对不同波长的光的吸收、反射和散射的程度也不同。光波较长的红光、橙光、黄光，射人海水后，随海洋深度的增加逐渐被吸收了。一般说来，在水深超过100米的海洋里，这三种波长的光大部分能被海水吸收，并且还能提高海水的温度。而波长较短的蓝光和紫光遇到较纯净的海水分子时就会发生强烈的散射和反射，于是人们所见到的海洋就呈现一片蔚蓝色或深蓝色了。近岸的海水因悬浮物质增多，颗粒较大，对绿光吸收较弱，散射较强，所以多呈浅蓝色或绿色。
紫光的波长最短，反射最强烈，为什么海水不呈紫色呢？科学实验证明，原来人的眼睛是有一定偏见的，人的眼睛对紫光的感受能力很弱，所以对海水反射的紫色很不敏感，因此视而不见，相反，人的眼睛对蓝、绿光却比较敏感。
另外，由于太阳时而隐没在云层之中，时而透过云层放出光芒，海洋的颜色也就随之发生变化。海洋的颜色还取决于太阳离地平线的高度。
2.煤炭、石油、天然气等陆地上有的基本都有
3.原核生物 、原生生物、藻类、苔藓、蕨类、少数被子植物、无脊椎动物（除了部分节肢动物）、两栖类的幼体、部分哺乳类
基本就这些
