Nadine's Journal

Biology Class

What is sustainable living? Able to be maintained at a certain rate or level: How could someone achieve sustainable living? Getting a job. Using your skills you were taught when you were in your teenage years Do you personally think you could reach sustainable living? Yes.


Fossil fuels vs Renewable energy- compare and contrast the two- Fossil Fuels natural fuel such as coal or gas, formed in the geological past from the remains of living organisms. Renewable Energy energy we can produce and we can never run out of. Look at the cost financially to humans and environmentally to the Earth. Convince someone to conserve energy.


3. Recycle- what does it mean to recycle? Reused things the can be reused. Why should someone recycle? To make the earth more healthier. How long does it take for these to decompose?

a. Tin Can- 50 years

b. Glass Bottle- 1 to 2 million years

c. Disposable Diaper- 500- 800 years

d. Wood-

e. Paper

f. Plastic Grocery Bag- 500-1000 years

g. Styrofoam Cup

h. Aluminum Can- 200 years

i. Cotton T-shirt- 1- 5 months

j. Apple Core

k. Did any of these surprise you?


4. What is the Great Pacific Garbage Patch? Island of trash that should be visible with satellite or aerial photographs What can we do here in Iowa to help decrease it, is it even possible? Recycle and reuse things that can be reused.


What are Dead Zones in the Gulf of Mexico? where water near the bottom of the Gulf contains less than 2 parts per million of dissolved oxygen, causing a condition referred to as hypoxia . What causes this situation? by nutrient enrichment from the Mississippi River

What can be done to help stop them? Using fewer fertilizers and adjusting the timing of fertilizer applications to limit runoff of excess nutrients from farmland


Define Keystone Species-is a plant or animal that plays a unique and crucial role in the way an ecosystem functions

give 2 examples; Wolf --> Sea Otter.


Competitive Exclusion- just Gause's law, is a proposition that states that two species competing for the same resource.