Global warming is altering the distribution and abundance of plant and animal species

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Global warming is altering the distribution and abundance of plant and animal species

Post  Admin on Tue Aug 04, 2009 10:32 am

Evidence that climate change is affecting life on Earth continues to increase. But how great is the threat to biodiversity? discuss

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mrs kumar

Post  Admin on Wed Aug 05, 2009 11:18 am

As the green vegetation decreases....the primary producers are reduced.

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shalini(12)-testing

Post  Admin on Wed Aug 05, 2009 12:00 pm

i think this is true Laughing

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N.Ziwei(34)-Reply.

Post  unitysec09_18 on Wed Aug 05, 2009 6:40 pm

I think that it is really true. As when the climate change, it can be hot or cold, and some people and animal may not get use to it. As it continue on, there will be more effect and consequences we have to face and we can't stop it. There are people who do not learn lesson from global warming, still do things to worse the global warming, making the situation worst. And also, it is a threat as this is a thing that affect the life of the living organisms in the world. And if the plant population decrease, the primary source of food will decrease, and the primary consumer won't have much food, even if the secondary consumer can consume on the primary consumer but sooner the population will decrease until a stage where that they won't have any foods. These all influences indirectly or even directly on us and so it is a very serious matter.

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vanessa(15)-Reply

Post  unitysec09_18 on Wed Aug 05, 2009 7:25 pm

well , just like zi wei had said . The changes of climate due to the global warming has obviously harmed the Earth directly and in directly. Due to human's activity that slowly harm the Earth , many creatures on Earth also had suffered because of our selfish acts.
Many organism in the Earth can only survive in a certain enviroment and habitat . And we human beings had made them unable to live in that particular places. for example ; cutting down trees , polluting water ... Under these circumstances , the animal cannot move to another place to live in . As they have adapted to their surroundings. And when nothing is done to salvage the situation , the animals will soon face extinction . And when a particular animal extinct it also affects other living organism . As the other organism may depend on that particular animal for food . Soon the animal that preys on them will also face extinction .If the animal extincts , the next victim would be the human race . As we also depended on the animals to provide food .Untill this stage , if the human do not solve the problem they soon will soon face lack of food and not long before extinction.
So , in total , when there is a chance now human should take the opportunity to save the Earth or else it will affect the lives on Earth.

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Post  unitysec09_18 on Thu Aug 06, 2009 12:58 am

Organism in the Earth have to adapt to the environment in order to survive and reproduce.When we extract natural resources or build house,we change the enviroment.As the components of the earth's physical enviroment are interrelated,the changes that we make to the environment will cause the climate to change.Then,organism that are poorly adapted will not be able to survive.So since earth is the only planet where life can exist.So we should try to take care of our environment and use the resources responsibly to ensure not only our survival,but also the survival of future generations of organism living in the earth.

Green plants are called producers because they produce their own food through the process of photosynthesis.At the same time,green plants provide food and energy for the animals in the food chain so if the population of plants decrease,it will also affect the population of the primary and secondary consumers.Soon,the decreasing of organism will lead to extinction causing other serious problems.

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Extinction

Post  mrskumar on Fri Aug 07, 2009 9:49 am

extinction seems to be the in topic in the discussion but how much are we dong to prevent extinction? Has recycling been a conscious effort e.g. bring your own bag day on wednesdays... has it been effective? No bounce

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chong zhi ming (19)

Post  unitysec09_17 on Fri Aug 07, 2009 2:46 pm

Plants may not adapt to new climate.Once they could not adapt,there is a high chance they would extinct.being a primary producer,the extinction of plant will surely upset the Food web.eg,the food chain of GREEN PLANT-GOAT.once the plant extinct,the goat will have no food for it to consume,and extinct.that is one example of extinction of plant affecting the biodiversity.
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chong zhi ming (19)

Post  unitysec09_17 on Fri Aug 07, 2009 3:04 pm

Climate change is mainly caused by human.Eg,burning of fossil fuels.burning of fossil fuels release large amount of Carbon dioxide.carbon dioxide is one of the factor casing global warmng.carbon dioxide absorbs heat energy from earth,so the amount of heat energy from earth released to the space is reduced.when this continue, the earth temperature would rise and it would affect the biodiversity.this would cause extinction and loss of habitat.Eg,the Ice at antractica would melt and it could cause mass flooding.the flooding of antatctica can flood lands ,detroying habitats of animals and plants,causing them to extinct.
so in my opinion,people should use less things that produce carbon dioxide to prevent disaster from happening.
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Re: Global warming is altering the distribution and abundance of plant and animal species

Post  unitysec09_17 on Fri Aug 07, 2009 3:53 pm

which topic do we have to write about as there is 3 topics and i do not know which one do i have to discuss about.
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Yuen Sian(14) class 17

Post  unitysec09_17 on Fri Aug 07, 2009 4:12 pm

i do not think so as some people do not care and did not bring their bags on Wednesdays as they only need to pay 10 cents which they think is a small sum.and some people just avoid going to supermarkets and other places to buy things on Wednesdays.and i think by saving plastic bags every Wednesday is not good enough if the government really want to use this method to save the environment they should make it a basis that way people cant avoid anything.


Last edited by unitysec09_17 on Fri Aug 07, 2009 10:30 pm; edited 1 time in total
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Muhammad Haikal (36)

Post  unitysec09_17 on Fri Aug 07, 2009 7:31 pm

Yeah, all of the above is true. When climate is beginning to change rapidly now, I’m afraid we humans or plants or animals do not have much time to adapt to the changing climate. To make things worse, humans had done more things that could increase global warming like cutting down of trees. They also polluted the water, make very big factories and the factories realesed harmful gases that could kill living things. When deforestation rate increases, animals or humans will have a lack of oxygen as photosynthesis from plants is not occuring. When all plants is extinct, we humans must be prepare to face death as animals like cows that eat plants will die too and there will be no more food for us left. Earth will then one day totally become desert as there is too much heat and mankind will extinct.

So please don’t mess up the problems we are facing now.Save earth now young world yeah!
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Bryan wong (22)

Post  unitysec09_18 on Fri Aug 07, 2009 9:21 pm

I think the threat to animal extinction is very real as a few degreeschange in the whole can kill many different species of animal as all the creatures of the world has been adapted to the temperature and many may not adapt fast enough to the speedy changes in temperature.Research has found the if the world was to increase by 2 degree celius,all coral reefs will die thus many fishes will become prey to bigger predetors and if the temperature increase by 1 more degree the amount of water melted from the glacier at the poles will cover whole of Singapore affraid Exclamation

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Re: Global warming is altering the distribution and abundance of plant and animal species

Post  unknown on Fri Aug 07, 2009 9:33 pm

what you all talking about science why not talk about other subject like geo or maths

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Maru (7) - 1/7

Post  unitysec09_17 on Fri Aug 07, 2009 10:22 pm

The threat is very serious. An example is the rising temperatures due to climate change. It causes the decreasing in Alaska's coastal ice pack, threatening the survival of polar bears and other species. Climate change is starting to change life on Earth. Animals may be extinct because of climate change. Climate change is caused by human. Throwing of garbage anywhere, cutting of trees, burning of plastics and deforestation are some factors. This causes climate change, and climate change affects the animals or even people. Some impacts are higher temperatures, changing landscapes, wildlife at risk, rising sea levels and economic losses. Climate change can cause extinction to animals and poor health conditions for people. It is very serious, and if we do not do anything now, then when? It might be too late..
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nicholas (37) class 17

Post  unitysec09_17 on Fri Aug 07, 2009 10:31 pm

extinction is mostly created by man and this includes mass logging, pollution, creation of plastic that could not be incinerated, etc.Bring your own bag day has played an important role in recycling as most bags that we use are made of plastic and if we reuse them, the production of plastic could be reduced and thus using less space to contain disposed plastic bag that could not be incinerated on landfills.Also recycling bins also played a important role in this conservation effort as it sorts out recyclables and non-recyclables and making it more convenient and recyclables could be recycled and will waste less of the Earth's natural resources to create items that benefits human.
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Maru (7) - 1/7

Post  unitysec09_17 on Fri Aug 07, 2009 10:41 pm

I agree to Nicholas. We must use recyclable materials so that we don't need to use plastic bags every time. Plastic bags cause global warming and air depletion as well. This may cause harm to human and animals. Using of recyclable bags also helps us save money.
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Post  unitysec09_17 on Fri Aug 07, 2009 11:30 pm

An increase in global temperature will cause sea levels to rise and will change the amount and pattern of precipitation, probably including expansion of subtropical deserts.[7] The continuing retreat of glaciers, permafrost and sea ice is expected, with warming being strongest in the Arctic. If this happens, not only animals will die, we humans will die too. So if you agree with this statment, do something about it NOW!!! Smile
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Post  unitysec09_17 on Fri Aug 07, 2009 11:38 pm

i agree with zhi ming. If plants do not adapt or change to the climate, it will soon be extinct.If we have no plants we have no oxygen, and energy and the consumer will die due to lack of food. If the primary consumer die,the secondary consumer will not have food. If the secondfary consumer dies ,humans do not have food to eat and we will be extinct.
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Post  unitysec09_17 on Sat Aug 08, 2009 11:08 am

I agree with your statement. As global warming is seriously affecting our nature, plants and animals. It cost the plant to not photosynthesis and die and the animal do not get to eat the plant, therefore there ewill be a chain effect of global warming that will cause alot of animal and plants to extinct. Thus global warming should be stopped. Neutral
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Post  unitysec09_17 on Sat Aug 08, 2009 11:22 am

I agree with your statement. If the plants are unable to adapt to the climate and be extinct, the animals on earth will soon die as firstly , there is no other organism to renew the oxygen in the air, and secondly there is no plants to feed the herbivours eg. Cows, goats. or grains to feed the chickens. If the plants and animals are extinct, we humans will be next. So i think global warming should be stopped as soon as possible.
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Post  unitysec09_17 on Sat Aug 08, 2009 11:27 am

I agree with Jin-UU. If the sea levels rise due to the polar caps falling down, some islands will be submerged due to the rising sea level and eventually, all islands will be submerged due to the high sea level. Also, the would also be a temperature increase which will cause some animals and plants unable to adapt to it to die or worst, extinct. So, we should start now and prevent global warming before its too late.
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Post  unitysec09_17 on Sat Aug 08, 2009 11:31 am


Global warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation.This is the definition of global warming.First of all the people in this world must know that there is someting called Global Warming going on. confused Now about the topic 'Global warming is altering the distribution and abundance of plant and animal species'.




alien Global warming does alter the distribution and abundance of plants and animals alien .



Global Warming's deadliest effect for plants are warmer waters and more hurricanes.
As the temperature of oceans rises, so will the probability of more frequent and stronger hurricanes. We saw in this in 2004 and 2005.Increased probability and intensity of droughts and heat waves
Although some areas of Earth will become wetter due to global warming, other areas will suffer serious droughts and heat waves. Africa will receive the worst of it, with more severe droughts also expected in Europe. Water is already a dangerously rare commodity in Africa, and according to the Intergovernmental Panel on Climate Change, global warming will exacerbate the conditions As there are more droughts there will not be enough water for the plants to use for photosyntesis or other processes .If the temperature increases it might not be the right temperature for the plants as they will transpire a lot and in the in the end it will have no water for itself for using in process such as photosynthesis and it will have no food to survive as photosynthesis did not occur and as air is increasing in Carbon Dioxide livivg organisms will not much oxygen left to respire in the all the populationds will become extinct including human populations.Global Warming's deadliest effect for animals would be polar ice caps melting,

First, it will raise sea levels. There are 5,773,000 cubic miles of water in ice caps, glaciers, and permanent snow. According to the National Snow and Ice Data Center, if all glaciers melted today the seas would rise about 230 feet. Luckily, that’s not going to happen all in one go! But sea levels will rise.
Second, melting ice caps will throw the global ecosystem out of balance. The ice caps are fresh water, and when they melt they will desalinate the ocean, or in plain English - make it less salty. The desalinization of the gulf current will “screw up” ocean currents, which regulate temperatures. The stream shutdown or irregularity would cool the area around north-east America and Western Europe. Luckily, that will slow some of the other effects of global warming in that area!
Third, temperature rises and changing landscapes in the artic circle will endanger several species of animals. Only the most adaptable will survive.
Fourth, global warming could snowball with the ice caps gone. Ice caps are white, and reflect sunlight, much of which is relected back into space, further cooling Earth. If the ice caps melt, the only reflector is the ocean. Darker colors absorb sunlight, further warming the Earth. The second effect is spread of disease.As northern countries warm, disease carrying insects migrate north, bringing plague and disease with them. Indeed some scientists believe that in some countries thanks to global warming, malaria has not been fully eradicated.Diseases are spread causing animal and humans to be extinct .Last but not least , if we wnat our future generations to have a proper and a elated life like we are having I think it is time for us to start using the 3Rs ,Reduce,Reuse and Recycle .We can slowly reduce the rate of Global Warming in our home Earth.Global Warming is a Twisted Evil . cheers Byezzz...................
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Post  Qinyi(1) on Sat Aug 08, 2009 11:35 am

I agree with the statement. Global warming is occuring all over the Earth. Our irresponsible action is causing the Earth to cause climate change, leading to Global Wariming. Due to global wariming, some areas on Earth may not be able to adapt changes, for example: In the North Pole and South Pole, ice and snow starts to melt due to the great change in weather, the melting would then cause and increase in water and it would flood certain areas where its nearby. As for living things, plants may not able to adapt the rise in temperature and plants will start to wither faster then usual.

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