Wednesday, June 2, 2010

Blog #12-What are at least three ways to prevent soil erosion?

There are many ways to prevent soil erosion:Planting Vegetation, Matting, Mulch or Fertilizer and even Retaining Walls or Edging.

PLANTING VEGETATION:
Preventing Soil Erosion









MATTING:
Matting

MULCH OR FERTILIZER:
 

RETAING WALLS/EDGING:
Garden Edging

Blog #11-Describe 3 abiotic factors that could affect biotic potential (population growth) and how they would affect it

Biotic potential is the maximum reproductive capacity of a population if resources are unlimited. Full expression of the biotic potential of an organism is restricted by environmental resistance, any condition that inhibits the increase in number of the population. It is generally only reached when environmental conditions are very favorable. A species reaching its biotic potential would exhibit exponential population growth and be said to have a high fertility, that is, how many offspring are produced per mother.
  • Aspect
  • Cloud Cover
  • Season
  • Location
  • Altitude
See full size image

Blog #10-Describe why sampling is important to the study of populations

 http://upload.wikimedia.org/wikipedia/commons/thumb/8/87/US_Population_Graph_-_1790_to_2000.svg/800px-US_Population_Graph_-_1790_to_2000.svg.png
 Population sampling refers to the process through which a group of representative individuals is selected from a population for the purpose of statistical analysis. Performing population sampling correctly is extremely important, as errors can lead to invalid or misleading data. There are a number of techniques used in population sampling to ensure that the individuals can be used to generate data which can in turn be used to make generalizations about a larger population.

Blog #9-Which biome would you most like to visit? Why?


I think the best biome to visit would be the tropical forest. It's completely natural and green.
The Amazon Rainforest covers over a billion acres, in Brazil, Venezuela, Colombia and the Eastern Andean region of Ecuador and Peru. More than half of the world's estimated 10 million species of plants, animals and insects live in the tropical rainforests. One-fifth of the world's fresh water is in the Amazon Basin. At least 80% of the developed world's diet originated in the tropical rainforest. Its bountiful gifts to the world include fruits like avocados, coconuts, figs, oranges, lemons, grapefruit, bananas, guavas, pineapples, mangos and tomatoes; vegetables including corn, potatoes, rice, winter squash and yams; spices like black pepper, cayenne, chocolate, cinnamon, cloves, ginger, sugar cane, tumeric, coffee and vanilla and nuts including Brazil nuts and cashews. At least 3000 fruits are found in the rainforests; of these only 200 are now in use in the Western World. The Indians of the rainforest use over 2,000.The beauty, majesty, and timelessness of a primary rainforest are indescribable. It is impossible to capture on film, to describe in words, or to explain to those who have never had the awe-inspiring experience of standing in the heart of a primary rainforest.

Blog 8-Should re-wilding species be keystone species? How could re-wilding be made successful?

Re-wilding species is a large-scale conservation aimed at restoring and protecting core wilderness areas, providing connectivity between such areas, and protecting or reintroducing apex predators and keystone species.
A keystone species is a species that has a disproportionate effect on its environment relative to its biomass

In 2000 John Varty started  the Bengal tiger re-wilding project. This project involves training captive-bred Bengal tiger cubs by their human trainers so that the tigers can regain their predatory instincts. Once they prove that they can sustain themselves in the wild, they would be released into the wilderness of Africa to fend for themselves. Their trainers, John Varty and Dave Salmoni (big-cat trainer and zoologist), have to teach them how to stalk, to hunt, and, most importantly, to associate hunting with food.
 


Blog #7-What surprised you most about the waste we create over a lifetime?-Blog #7

There was sooooooooooooooo much trash.
I can't believe that the average American produces about 4.6 pounds of solid trash a day, which is 1,460 lbs. of trash a year per person.
Every day people get rid of billions of tons of trash.  The garbage mainly comes from industry, but it also comes from homes, apartments and schools.
compared to the population of the United States, you will see that as a country, they get rid of about 210 million tons of trash every year. Schools, hospitals, businesses and government agencies also produce a lot of garbage.


Sunday, March 14, 2010

How Diet Shows What An Organism Is Eating-Blog #6

Diet can tell us if the animal is an omnivore, carnivore, or a herbivore. You can also see where the animal has been and where it lives.(environment). Diet also shows how the animal has evolved.

  1. An owl for example: in the U.S Barn Owls eat small rodents, such as mice, voles, field rats, pocket gophers, and moles. Sometimes they eat crayfish, large insects, small birds, and other small mammals. However, their main diet is mice.
    In the UK, amphibians, reptiles, insects, birds, bats, rabbits and carrion are not generally eaten by Barn Owls and earth worms are not eaten at all. However, unusual cases have been recorded where Barn Owls haveeaten a large number of frogs or small birds in winter. Cannabalism in Barn Owl nests has been recorded but is unusual.

  2. There are many different types of bears that live in different regions which results in a change in the bears diet.

  • For example, the Black Bear's diet usually consists of grasses, leaves, buds, flowers, mushrooms, berries & other fruits, nuts, including acorns,insects, and other things found in the forest.
  • The Polar Bear's diet usaully consists of seals & fish.
  • The Grizzly Bear's diet usually consists of plants, berries, fish, honey, meat.
  1. Although most sharks live in the ocean most of them have all evolved differently because of their habitats.
  • Great White: Eats a variety of fishes and marine mammals. Fish such as salmon, hake, halibut, mackerel and tunas are common prey, as are marine mammals such as harbor porpoises and harbor seals. However whites also eat other sharks, sea turtles and seabirds. They may also feed upon blubber from dead whale carcasses.
  • Sand Tiger Shark:Diet consists mainly of large and small bony fish, small sharks, rays, squid and crustaceans.
  • Mako Shark: feeds mainly upon bony fishes including mackerels, tunas, bonitos and swordfish, but may also eat other sharks, porpoises and sea turtles.

Vegan Vs. Vegetarian-Blog #5

There are many different types of vegetarians:


  • Semi-Vegetarian is when someone who consumes dairy products, eggs, chicken, and fish, but does not consume other animal flesh.

  • Ovo-Lacto-Vegetarian is someone who does not consume meat, poultry, fish, and seafood, but do consume eggs and milk.(This is the most popular)

  • Ovo-Vegetarian is someone who would be vegan but they eat eggs.

  • Lacto-Vegetarian is someone who would be vegan but they drink milk.

Vegans are the strictest of all these categories. Vegans do not consume any animal products or by-products. Some go as far as not even consuming honey and yeast. Others do not wear any clothing made from animal products.


I would choose to be a Semi-Vegetarian because they are still able to eat everyday products that provide adequate protein people need on a daily bases.

Albert Einstein-Blog #4

Albert Einstein had many contributions to enviromental science. He was known as one of the most influential and best known scientists and intellectuals of all time. He is also called the "Father of Modern Physics". In 1921 he received the Nobel Prize in Physics "for his services to Theoretical Physics, and especially for his discovery of the law of the photoelectric effect". He developed the special and general theories of relativity and prediction of thedeflection of light by gravity and gravitational lensing. The photon theory was aslo developed by A.E along with 300 other scientific methods and 150 non-scientific works. In 1999, Albert Einstein was named Person of the Century by Time magazine. Albert Einstien has developed some of the most popular scientific methods still used today.

Thursday, March 11, 2010

Should we clone full humans? For what purpose?-Blog#2

No, I don't think that's right. Clones cannot comprehend reality through pain of learning as an infant learns. This interferes with moral perceptions and it's not okay to do.