Due: 11:59pm, July 26, 2018, Thursday Please ope your answer in Word. And submit

Question

Due: 11:59pm, July 26, 2018, Thursday Please ope your answer in Word. And submit it to the folder of Lab 10 in the Assignments on the homepage of the course on D2L in the following format fMary Smith is submitting lab 10, please name the file as MarySmith labl0.doc. Typed, 12 point font, single-spaced, with 1-inch margin Please watch the Episode of "From Pole to Pole" in BBC Documentary "Planet Earth" form this link: Answer the following questions based the information you get from the movie. You can also answer them by reading your textbook (Chapters 9 and 10) and other sources if you are not able to remember all the details from the movie. You need several paragraphs to fully answer each question. 20 points each 1. What type of biomes is Arctic in summer? Please describe its climate region, major climate characteristics, vegetation, and wildlife as shown in the movie 2. What type of biomes is the forest just south to the Arctic? Please describe its climate region, major climate characteristics, vegetation, and wildlife as shown in the movie. 3. Please describe the climate region, major climate characteristics, vegetation, and wildlife in the tropical rainforest biome shown in the movie. Why is it particularly important to the environment of the earth? 4. What type of biomes in Southem Africa where elephants and other wildife travel seasonally every year? Please descnbe its climate region, major climate characteristics, vegetation, and wildlife as shown in the movie S. Discuss some important physical factors that shape the characteristics and global distribution of ecosystems on the earth using examples from the movie

Explanation / Answer

1. Arctic tundra is the characteristic biome and further south is taiga biome. There are no trees or vegetation due to the poor intensity and short duration of sunlight. The Arctic has long winters and short summers. During the summer, 24 hours of daylight will be available and the temperature would be around -30 degrees. The Arctic is completely cold desert and the polar bears mainly feed on seals. Trees are found only 500km from the Arctic and the forest is called Boreal forests. Boreal forest contains only needle-shaped leaves and supports minimal animal life. But, Boreal forests cover one-third of all the trees in the earth and are the largest contributor of oxygen to the atmosphere. The Arctic has mainly polar bears and seals. Further south, there are Caribous and wolves that hunt on them. Caribous are deer like species and they migrate around 2000 miles for fresh pasture.

2. Temperate deciduous forest biomes. They are spread over North America, Europe and Russia. Here the coniferous are replaced by big leaves as the summers are strong enough. In winter, these trees shed their leaves and animals have to either hibernate or migrate in order to survive. Deer, duck, birds, butterflies, insects, Amur leopard etc. are the common wildlife. Hunting and destruction of habitat have reduced the number of Amur leopard and they are now a highly endangered species.

3. Tropical rain forest biome. They receive sunlight of good intensity all-round the year. The vegetation will be very thick that only less than 2% of the sunlight manages to reach the ground. They form only 3% of the global vegetation but are home for almost 50% of all the plant and animals. The tropical rain forest biome supports more wild life than any other biome. Monkeys, birds, insects etc. are seen here.

4. Savanna is the biome in Southern Africa were elephants and other wildlife are seen migrating seasonally for water. These biomes don’t contain thick vegetation and are mostly dry. Grass and isolated trees are the major vegetation in this biomes. They are found in areas adjacent to the equators where hot and warm climate prevails. Lions, elephants, zebras, buffalos, giraffes are the dominant wildlife. The summers are dry and intense and force the life forms to migrate for water.

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