Extinction is a natural selection process. Should humans strive to preserve a representative sample of all biomes or aquatic zones?

Extinction is a natural selection process. Should humans strive to preserve a representative sample of all biomes or aquatic zones? Why should humans be concerned with the extinction rate? Your initial post should be at least 150 words in length.

DQ 2:

In the 1980s a popular environmental slogan was “Reduce, Reuse and Recycle” and now “Go Green,” is a popular message. Consider the Reusable Grocery Bags sold in markets everywhere. What are the pros and cons that you see in this latest trend? Give examples of the potential environmental impact. Your initial post should be at least 150 words in length.

LAB:

 Complete the Population Biology Lab found at:http://www.mhhe.com/biosci/genbio/virtual_labs/BL_04/BL_04.html.This lab gives you the opportunity to explore the affects of competition on population growth. CAREFULLY, follow the instructions to conduct your virtual experiments. Fill in the table below as you go. The questions below are the same ones found in the “journal” of the lab. Hint: Make sure you read click on the “Information” box; valuable information for answering the questions can be found there! You are required to answer all six questions and submit this document to the Dropbox. Do NOT email the journal questions to your instructor through the website above.