Friday, May 28, 2010

DEFORESTATION

1. What are the negative effects of DEFORESTATION? CLICK HERE to read more. Be sure to click on the photo gallery at the bottom of the page. And you can take an Energy IQ test. Check on the right side of the website.
1.1 What is the leading cause of deforestation in the Brazilian Amazon?

1.2 What is illegal logging and how does it contribute to deforestation?

Wednesday, May 26, 2010

POPULATION GROWTH: CARRYING CAPACITY

1. CLICK HERE to view an animation on how populations grow.
1. 1 Why do most populations show a clump distribution?
1.2 Has human population reached its carrying capacity?

Tuesday, May 25, 2010

ECOLOGICAL SUCCESSION

1. CLICK HERE to access a narrated animation on ecological successions. You can take a 2 question quiz at the end of the animation. How did you do?

2. CLICK HERE to access a website with information on ecological succession. On this website you will see the animations from class.

3. CLICK HERE for a short animation on ecological succession.

4. Watch this short, 3 part animation about succession in Glacier Bay, Alaska. Part 1, Part 2, Part 3.

Monday, May 24, 2010

SYMBIOTIC RELATIONSHIPS

CLICK HERE to access a website with very good information on symbiotic relationships.
You can navigate the page and for information on other topics.
1. Can you see the barnacles on the humpback whale?
2. What type of symbiotic relationship is represented by the whale and the barnacles, why?

Friday, May 21, 2010

EUTROPHICATION

1. CLICK HERE to view an animation that shows eutrophication of a river.
2. CLICK HERE to watch a video clip that explains the process of eutrophication of a lake.
2.1 How does the excess algae growth affect the quality of the water?
3. CLICK HERE to watch a video clip on how humans can affect the ecosystems.
3.1 Why do top predators accumulate more toxic substances in their body tissues?

Tuesday, May 18, 2010

A Marine Chemist Studies How Life Began (article)

CLICK HERE to read an interview on how life began.
1. Amino acids have been found inside some of the meteorites that have come to earth, What does this indicate?

ECOLOGY: FEEDING RELATIONSHIPS

1. All living things play roles in a food chain. This short cartoon explains just how a food chain works. You'll see why every creature's part is important. Take the quiz when you finish watching the cartoon. How did you do? Also, don't miss the Sea Monsters article available at the website!!!!

2. CLICK HERE to watch an animation about decomposers. Take a quiz at the end of the animation. How did you do?
3.1 What important role do decomposers play in all ecosystems?


4. CLICK HERE to watch an animation about an energy pyramid.
4.1 In a healthy ecosystem there are lots of producers, some herbivores, and not many carnivores. Why is this important?
4.2 Why can't food pyramids hold an unlimited number of trophic levels?