Biol 120 Lesson 02 Assignment

Questions for Submission (75 pts total)

Answer each of the following questions as completely as possible. Your answers should be no longer than a few sentences.

(15 pts) 1. Make a list of all the foods you consume in one typical day. Break your list apart and try to determine what different species of plants you consume on a daily basis. Using the table in your text as a guide, estimate what percentage of your diet is accounted for by the top 20 food crops.

Answer

List of the foods I consume in one day: chicken, pineapple, cranberry

Lettuce. The percentage of my diet that is accounted for by top food crops

(5 pts) 2. Consider the clothes you wear on a day to day basis. Look at your clothing labels. What types of plant fibers are used to make the clothes on your back?

Answer

The clothes I wear are primarily composed of cotton which is derived from the cotton plant. I also wear wool suits that have 3-6% Lycra which is also cotton. Wool is derived from animal fibers.

(10 pts) 3. List four plants that are thought to have been domesticated in the New World including two from the Eastern United States and Canada.

Answer

Four plants that are thought to have been domesticated in the New World from the United Sates and Canada include marsh elder, goosefoot, wild gourd and sunflower.

(10 pts) 4. Briefly describe two sites where evidence of early crop cultivation has been found and name the crops thought to have been first domesticated near those sites.

Answer

Two sites where evidence of early crop cultivation has been found include China, with of rice being reportedly domesticated over 11,500 years ago and Jarmo in North Eastern Iraq, the foothills of Zagros Mountains which reportedly first domesticated wheat and barley, 9,000 years ago.

(10 pts) 5. Describe three ways that fungi are helpful to humanity and one major way in which they are harmful.

Answer

Three ways fungi are helpful to...