Essay on "Biology Questions & Posts"

Essay 3 pages (976 words) Sources: 2

[EXCERPT] . . . .

True recycling -- making the same product again -- can result in huge energy savings, as it takes about one-tenth the energy to recycle plastics. And that doesn't include the savings in the processing of oil to create the raw material from which the plastic bags are originally made. Also, people tend to throw them away rather than recycle them or else they use them to bag their garbage so they end up in the landfill anyway. Many grocery stores and shopping outlets such as IKEA have instituted charges for recyclable shopping bags and make preferred alternative bags available. Many of the bags offered as alternatives are made of cloth, of recycled materials, and/or biodegradable materials, but they are durable and are made to be used many times over -- until they virtually wear out and fall apart. At that point, they can be recycled, and in during the time that the reusable bags were in service, they saved the bag owner / user from consuming many hundreds of film plastic shopping bags. The key point here is durability because the more bags one purchases, the greater the environmental impact. Reusable fabric bags can be selected instead of plastic bags, but it is important to consider variables like the amount of water needed to grow the plant, if the fiber plant was grown organically without pesticides, and if dyes or bleach were used unnecessarily. In addition, some bags that have printing have been found to contain lead -- and all reusable grocery bags need to be washed regularly to avoid contaminating foods with bacteria that may be harbored in the fibers of the reusable shopping bags (Lalwani, 2011).

Sources:

Choosing a reusable shopping bag. (2008, August 28). Green Living Tips. Retrieved http://www.greenlivingtips.com/articles/283/1/Reusable-bags.html

Lalwani, P. (2011, January 19). Pros and cons of reusable grocery bags. Buzzle.com Retrieved http://www.buzzle.com/articles/reusable-grocery-bags-pros-and-cons.html

I DON'T HAVE THE LAB CONNECTION INFORMATION TO COMPLETE THESE TWO ASSIGMENTS BELOW.

Population Biology

Visit Population Biology and complete the virtual lab. This lab gives you the opportunity to explore the effects of competition on population growth. Follow the instructions on the Population Biology Submission Form. Using this worksheet, you will answer the lab questions and fill in the table on the Population Biology Submission Form. Save it as a Word document and submit it.

Population Biology

Visit Population Biology and complete the virtual lab. This lab gives you the opportunity to explore the effects of competition on population growth. Follow the instructions on the Population Biology Submission Form. Using this worksheet, you will answer the lab questions and fill in the table on the Population Biology Submission Form. Save it as a Word document and submit it. I believe will be a one page questionnaire that will have to be turned into word (01-page) READ MORE

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