Blog 8 Your choice talk about something you learned or ask a question about something that is confusing you

l leared poplution is a thing that quite complicate,there are a lot  of  factors which can affect it by huge impact.For example,fish's amount is depend on algae's amount,if algae is vanished by human's collection.As a result,fish will become less as well.Also,if there are some big fish which depend on that fish,their amount will decrease,too.Therefore,l think it will be really detrimental to kill some small living things which you think they are not important because it may be plays a major role in a big ecology.l also wondering whether people can create an almost ideal conditions which can help some endangered animals.

Blog 7 Compare and contrast two biomes describe them in detail include pictures of plants and animals you are liklely to see

l am going to compare marine biomes and desert biomes.

Marine regions cover about three-fourths of the Earth's surface and include oceans, coral reefs, and estuaries. Marine algae supply much of the world's oxygen supply and take in a huge amount of atmospheric carbon dioxide. The evaporation of the seawater provides rainwater for the land. Marine biomes' animal are usually be fish,carols,sharks or whales.

Deserts cover about one fifth of the Earth's land surface. Most Hot and Dry Deserts are near the Tropic of Cancer or the Tropic of Capricorn. Cold Deserts are near the Arctic part of the world.Hot and Dry Deserts temperature ranges from 20 to 25° C. The extreme maximum temperature for Hot Desert ranges from 43.5 to 49° C. Cold Deserts temperature in winter ranges from -2 to 4° C and in the summer 21 to 26° C a yearDeserts' plants and animals are suppose to be camel,cactus,or other thing will not need much water

Marine and desert biomes have a biggest different is one is contain infinite water while other is drought and almost have no water.

Blog #6 Which level of a food pyramid is the most important?

According to this picture,you can see that the bottom part of this food pyramid is the biggest.There are a lot of different kinds of food in it.Such as noodle,bread,cereal,donut,and rice.They are similar to each other because they all contain an essential substance to human----carbohydrate.lt's the most important thing to us for its big influence to our body.lt not only serves as the job of store energy,but also as structural components. Therefore,we need numerous of them.As this picture shows,we have to eat 6-11 sevings per day.Compare to other part of this food pyramid,there is no doubt about  fruits,fish,or ice-cream play less role than bread and rice in human structure.

Blog #5 There have been 5 major extinction events throughout history, are humans impacting the 6th? Why or why not?

l think human definitely have a big impact on animals or plants' extinction.First,we take almost all the land or living environment away from these poor living things,They just have a little place to reproduce and survive.All the orignal natural landscape become tall buildings and factories.Animals won't be happy about that.Second,today's world occurs too much pollution.For example:electronic and oil factories will release enromous air pollution which can be fatal to animals.The water pollution also is a very serious problem.You can't count how many fish died in China's dirty river or canal.Third,people kill some value species for money as well,it's very ruleless and selfish.Most endangered animals are face to extinct because human's greedy traits.ln briefly,if human don't stop this kind of harmful action,there will have a high risk to impact a sixth extinction.