Biology discussion week 14

Biology, The unity and Diversity of Life, Starr and Taggart, 15th edition

After reading chapters 44,45,46, 47 and 48, reviewing the power point slides and answering the end of chapter review questions, Post your answers to any 6 of the following discussion Initial answers and posts must be made all at once.

1) What is a population and how does it relate to ecology? What are the differences between biotic potential and carrying capacity of an ecosystem?

2) Decribe the factors that allowed a rapid increase in human population during the past 200 years. Decribe the possible ecological effects of humans as predators using specific examples.

3) Describe the various types of symbiotic interdepedent interactions among species in an ecosystem.

4) What steps or processes contributes to and or ensures the sustainability of an ecosystem with four trophic levels?

5) What is the green house gas and its green house effect. What are the possible causes and consequences in the increase of green house gases?.

6)Compare the tropical rain forest to other land biomes.

7) What is extinction? Explain how human activities can lead to extinction of some species.

8) Using appropriate examples , explain conservation biology and the goals of ecological preservation and restoration