Reference no: EM132976614

1. Compare and contrast microevolution and macroevolution. How are the two related?

2. Should antibiotics be restricted? Are there some situations in which such regulations would be more appropriate than others? Give evidence and examples to support your answer.

3. Describe two threats to biodiversity in the world today and action steps we, as a global society, can do to reduce these threats.

4. Your best friend has been injured in a severe car accident and needs a blood transfusion. Her blood type is AB. They have volunteers with blood types A, B, AB, and O who are willing to donate. Help the paramedic decide what blood type to give your friend and why.

5. List 2 reasons you would or would not be concerned about eating genetically modified food.

6. Many poisons used to kill insects attack the gas exchange system. Why might these insecticides be more effective than those that attack the digestive system of the insect?

7. Two medical procedures used to encourage weight loss are intestinal bypass surgery involving the shortening of the small intestine to less than 20% of its original length and inserting an inflated tiny balloon into the stomach.

a) Explain how each of these procedures help a person to lose weight.

b) What are two disadvantages of these procedures?

8. What is the function of guard cells in regulating transpiration and wilting? Give examples that support your answer.

9. Dandelions use an unusual form of reproduction that produces seeds but does not involve meiosis. The pollen produced within flowers is sterile and produces seeds without fertilization. What advantages and disadvantages might this system have over sexual reproduction of viable seeds?