• What are some of the causes of this?

Do now – part I

• Russians resurrect 30,000-year-old frozen flower• A Sylene stenophylla plant, which was regenerated from tissue of fossil fruit

found in a squirrel burrow that had been stuck in Siberian permafrost for over 30,000 years. It is the oldest plant ever to be regenerated and it is fertile, producing white flowers and viable seeds.

Do now – Part II

• Homework : Prepare for finals (review chapters 10& 11)

• Vocab – for Friday (quiz Friday Feb. 24th)• 86. Kimberly’s Process• 87. Superfund • 88. Therimosal • 89. Levittown• 90. Multinucieei aka multiple-nuclei model

Homework

• Review your notes and then create the top eight important items in the chapter. Write them in your notes and be ready to turn in a copy. You have 10 minutes. • Deals with Soil & Agriculture• Afterwards I’ll do a quick review.

Review Chapter 10 on your own

New Material • At your table discuss the following issues or

topics.• What was controversy with the maize in

Mexico.• What are GM crops? Explain genetic

Engineering. What is recombinant DNA versus transgenic crops?

• Explain the importance of the “Green Revolution.”

New material – Chapter 10• Undernourished, Malnourished, over-

nourished.• Kwashiorkor – Malnourished• Undernourished• Over-nourished

New material – Chapter 10• Green Revolution – greater use of technology to

improve farming techniques, increase crop yields and allow the population to grow.

New material – Chapter 10• Crop Diversity versus monocultures• What are the pros & cons of monocultures?• With the use of your notes only, at your table

come up with three negatives aspects of monocultural agriculture.

New material – Chapter 10• What are genetically modified crops? Give an

example and why are they feared?

New material – Chapter 10• Explain the purpose of the “Doomsday Seed

Vault?”

• Is it truly necessary? Explain

New material – Chapter 10

• Pesticides versus Biocontrols• Sea otters and their role• Kudzu and Cane Toads• IPM (integrated Pest Management)

New material – Chapter 10• What happens when invasive species are

introduced

In class after the quiz• Our food choices are also energy choices• Controversy concerning “feed lots.” Why are

they used and why do groups oppose them?• Pros & Cons of Aquaculture• Organic– Explain the principle– What does it take to become?– Draw backs of organic farming

Before you leave!• Please pick up any and all trash

around you.• Place ALL the chairs on the desks.• Be involved in the school meeting