As semester 1 comes to an end, it is time to reflect on the biology you have learned (and prepare for the midterm!). Choose a specific ecosystem (i.e. salt marsh, deciduous forest, etc.) and answer the following:
a. Identify your chosen ecosystem and one specific place it is found.
b. Describe the climate.
c. Give an example food chain (with at least 4 trophic levels)- be sure to include organisms that live in the specific place you chose in part a.
d. Describe the role of bacteria in this ecosystem.
e. Give an example of how human activities have affected this ecosystem.
There will be some information repeated, but no 2 posts can be exactly the same! If you choose the same ecosystem as someone else, find a different place on Earth that has this ecosystem. Be creative! This is the last post of the semester and a good way to review for your midterm.
15 comments:
a. Canada-Deciduous Forest
b. Average winter and summer high temperatures across Canada vary according to the location. Winters can be harsh in many regions of the country, particularly in the interior and Prairie provinces, which experience a continental climate, where daily average temperatures are near −15 °C (5 °F) but can drop below −40 °C (−40.0 °F) with severe wind chills.
c.soil>grass> a grasshopper> a mouse> an owl
d.bacteria and fungi play key roles in maintaining a healthy soil. They act as decomposers that break down organic materials to produce detritus and other breakdown products.
e.Canada's Boreal forest is one of the largest tracts of ancient forest left in the world. Almost 80 per cent of the world's original forests have been degraded or completely destroyed, making the protection of our boreal forest all the more important. Canada's Boreal forest ecosystem is over 10,000 years old, making it one of the last remaining forests in the world. Approximately half of the Boreal forest has been allocated or licensed to logging companies. The heaviest development is concentrated in the southern reaches of the Boreal, which also provides the most productive wildlife habitat. Over 90% of this area is clearcut, with individual clearcuts sometimes extending over 10,000 hectares in size or approximately 17,000 football fields. This makes them some of the largest clearcuts in the world. A disappearing forest means increased threats to the survival of the species that inhabit it. Already, the Labrador marten, wolverine, woodland caribou, eastern wolf are listed on endangered species lists.
-A.Sahara- Northern Africa
-B.Climate undergoes between wet and dry. Half of the Sahara receives less than 2 centimetres (0.79 in) of rain per year, and the rest receives up to 10 cm (3.9 in) per year. The rainfall happens very rarely, but when it does it is usually torrential when it occurs after long dry periods, which can last for years.
-C. Plants->Dama deer->Desert eagle->Rattlesnake
-D. Bacteria such as mushrooms is mostly likely to be eaten by omnivores or herbivores
-E. People have impacted the desert environment in several ways. Drilling for oil and mining for other resources requires roads. The people who operate the drills need houses. Most of these changes have occurred along the Mediterranean in mineral-rich countries. However, the deep centers of deserts have usually not been disturbed. There, roads remain tracks and have escaped being blacktopped.
A.United States - Deciduous Forest
B. The average temperature in a deciduous forest is 50 degrees F
C.Producers - Fungi, fruit trees
Primary Consumers - deer, birds
Secondary Consumers - foxes, owls
Tertiary Consumers - Bear, Cougars
D. Bacteria are decomposers that break down the dead animals and release nitrogen to the enviromen.
E. Many trees and plants have been cut down by humans. Many animals lost there home and died. Also there is not as much food for animals sin=ce more and more trees are getting cut down.
Taiga- Canada
Cold and wet receiving about 12-33 inches per year. Long cold winters at about -65 to 30 degrees. Large amounts of Precipitation falls in the summer, with temperatures at about 40-80 degrees. Spring and fall are short and brief.
Trees/berries>mice>weasel>hawk
Nematodes- they help the decomposition process, and recycle nutrients in the moist soil.
Humans have settled in parts of the Taiga. Urbanizing areas and creating cities. Global warming caused by humans has affected the overall climate in the Taiga and changed the natural environment over time.
a. Decidious Forest
b. winter and summer
c. grass - deer- human
d. Bacteria are decomposers that break down the dead animals
e. We eat deer apperantly.
1.Asia,Deciduous forest.
2.The decidous forest has all 4 seasons, most have mild summers. The summer months are usually june too august. The winter months begin in december. Most of the forests are located by an ocean.
3.nuts are eaten by the red squirel, bald egales eat the squirel, bears eat the bald egales and humans eat the bear.
5. Humans have cut down most of the tree's in the deciduous forest, many of the suburan towns in the usa are where deciduous forest's once stood.
a. tundra, alaska
b. extremely cold climate,
simple vegetation structure,
limitation of drainage,
short season of growth and reproduction,
energy and nutrients in the form of dead organic material.
c. grass - mouse - arctic fox- polar bear
d. bacteria decomposes dead organisms.
e. the human impact in the tundra is people who go and get coal, natural gas, oil, iron ore, lead and zinc. there are also oil spills in the tundra. people do not try to spill the oil, but when they do it does affect the animals and their ecosystems.
a.Swamp- Louisiana
b.The climate is warm and humid. 40-70 inches of rain fall per year, and the temperature is between 60-80 degrees.
c.algae>fish>blue heron>alligator
d.the bacteria decomposes dead organisms and releases the nitrogen in them in the soil.
e.Humans have drained parts of the swamp, leaving some animals homeless and as a result die.
Dan-anh Tran
a) tundra,
b)very cold winters, very little snowfall or rainfall, and very easy vegetation supply
c)grass-snowshoe rabbit-polar bear-gray wolf
d)the bacteria gets decomposed by other organisms
e)their are alot of oil spills affecting the animals that live in that habitat, and it affects their ecosystem. also, When humans move vehicles or walk across the soil or the little vegetation it has, it destroys the permafrost and vegetation just moving it farther back in the succesion progress.
Alexa Bertolini
Ecosystem:deciduous forest:United States.
Climate:The average temperature of the forest is about 50 degrees F. The average amount of rainfall in the forest is 30 to 60 inches a year. As the seasons change, so do the colors of the leaves of the deciduous. During the winter months water is generally not available to keep the leaves of some plants alive. Therefore, the leaves of some plants fall off and grow back in the spring. Those plants, like evergreens, keep their leaves during the winter have special adaptations to stay alive. You can learn more about the vegetation of deciduous biomes.
FoodChain:Grass:producer.Rabbit:primary consumer. Fox:Secondary consumer. Bear:tertiary consumer.
Role of Bacteria: Food production, producing antibiotics.
Human Activities: Driving cars and polution have damaged the ecosystem. In one simple ecosystem, something small can cause worldwide problems.
A) Tropical rainforest-Brazil
B) In a tropical rain forest, the weather remains the same throughout the year. It is warm and rainy all year round. On average the rainfall is two hundred to four hundred centimeters a year and the temperature is twenty five degrees Celsius.
C) A caterpillar eats a leaf from a plant, then a macaw parate eats the caterpillar, next a green snake eats the bird, finaly a monkey eats the snake an eventruly dies.
D)The bacteria is the bottom of the energy pyramid where most energy is prduced.
E) Humans have destroyed most of this ecosystem which means less places for animals to live and less oxygen being produced.
a. tundras can be found in greenland.
b. The winter temperatures average to as low as -30 degrees fahrenheit. It has little snow or rainfall and a very short summer season.
c. shrub-lemming-artic fox-polar bear.
d. Bacteria act as decomposers and break down dead animals to get nutrients.
e. There are many oil spills throughout the tundra which have caused many animals to die as a result. Plants are also effected as well. Since there are so little of plants growing in the tundra, having any of them disappear will affect food chains. The oil spills have made the plants absorb it as they are in the process of absorbing carbon dioxide for photosynthesis.
NJ- Decidous Forest.
NJ temp very alot in the winter it gets very cold and in the summer it gets pretty hot.
The animals that roam around NJ are deers and other wildlife.
NJ has a lot of space that is developed so wildlife do not have much living space.
a. grasslands in south america
b.the average temperature is about 18 degrees C. It is very windy and has a dry summer in December. Mostly humid and warm.
c. seed-pampas finch-greater rhea-geoffroy's cat
d.The bacteria helps decompose organic materials that release carbon dioxide that develope nutrients that can be recycled.
e. Humans tend to use this land and other grasslands for agriculture, and some human made fires are needed to maintain and extend the grasslands.
a.&b. Desert- they are found all over the earth, but are normally hot and dry, though they can be cold like antartica
C. Cactus produce energy, and get eaten by desert insects, who are eaten by lizards, who are eaten by any snake big enough to eat a lizard.
d. Provides the nitrogen
e. We haven't done much, but we have built over it.
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