Question: Lab 12 Model Ecosystems Lab Activity Complete your answers in the spaces provided. USE YOUR OWN W…

Lab 12 Model Ecosystems Lab Activity Complete your answers in
the spaces provided. USE YOUR OWN WORDS – Yes even for definitions!
Remember to add your last name and first initial to the file name
prior to saving and submitting your completed assignment through
Canvas. The lab website has post lab questions – these are not
necessary – you only have to complete the questions in this lab
assignment document. Use your textbook, notes and this website to
answer the pre lab questions.
http://www.vtaide.com/png/foodchains.htm
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/F/FoodChains.html
http://www.mbgnet.net/

Pre Lab Questions:

1. What is the ultimate source of energy for all organisms on
this planet?

2. List the biomes of the Earth.

3. What biome do we live in here in Philadelphia?

4. What attributes define a biome?

5. DON’T WORRY ABOUT QUESTION 5.

6. What is the relationship of numbers to energy as you go up
the trophic levels?

7. From the ecosystems you studied in this lab, which one is the
most efficient? Explain how you determined your answer.

8. What would happen to an ecosystem without decomposers?

9. From the ecosystems you studied in this lab, which one is the
most productive? (This cannot be the same as question 7) Explain
how you determined your answer.