WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 7, Problem 4MC
Summary Introduction
Introduction:
Golden rice is a modified variety of rice that is fortified with beta-carotene.
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Answer the following questions:
1. Discuss some advantages and disadvantages of fertilizer.
2. Why does eating meat carry more adverse environmental impacts than eating grains, nuts, vegetables, and fruits?
3. How does the high consumption of meat in some parts of the world contribute to scarcity of food in other parts of the world?
4. List some disadvantages of genetically modified organisms (GMOs). Are there advantages? What are they?
5. If everyone ate a vegetarian diet, how would that affect the number of humans that the planet could support?
40. Equation(s)
producers, and equation(s)
performed by consumers.
a. I; II
b. II; I
c. I and II; I
d. II; I and II
e. I and II; II
is/are performed by
is/are
SOLAR E
I.6CO2 +6H2O
C₂4₁₂0₂ + 60₂
II.6CO₂ + 6H₂0← C₂H₁₂O6 + 60₂
ATP
What is NOT true about organic farming?
A. Organic regulations in the U.S. mainly stipulate what kinds of inputs can and cannot be used in food production and processing.
B. Organic farmers depend on a price premium from organic food to remain profitable.
C. Organic agriculture includes regulations for supporting farm workers’ rights.
D. Sales of organic food have risen sharply over the past couple of decades
E. Crop yields are often a little lower than in conventional farming.
Chapter 7 Solutions
WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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- A. What is the Green Revolution? B. What are some criticisms of modern agriculture?arrow_forwardWhich of the following statements about organic farming is not correct a. Crops are planted close together within each bed, to prevent space for weeds to emerge b. Biopesticides like Bacillus thuringiensis are not used as it can harm the crop C. Uses only naturally produced inputs like compost, manure d. Does not use pesticides e. Natural enemies of the pests are used to control the population of pests Pick which one of the following is Incorrect about the Greenhouse effect. a. Life on the earth is possible due to greenhouse effect b. Increased emission of greenhouse gases is a natural process С. Greenhouse effect is a natural process that maintains earth's temperature d. More is the emission of greenhouse gases, more is the temperature of the earth's atmosphere e. CO2 emission for last few decades is really worrisome utrients entered an estuary?arrow_forwardDo you think that the advantages of organic agriculture outweigh its disadvantages? Explain. Do you eator grow organic foods? If so, explain your reasoningfor making this choice. If not, explain your reasoningfor some of the food choices you do makearrow_forward
- 1. Organic farming in the United States is characterized by all of the following features except: A. it is the slowest-growing sector of U.S. agriculture B. it has minimal adverse effects on the environment C. it has more natural farmlands than monoculture D. it uses no synthetic chemicals in food production E. it is the fastest-growing sector of U.S. agriculturearrow_forwardselect all that apply to plant nutrition a. green manure can restore minerals to soil but is to expensive for farmers to use b. mineral deficiencies cause symptoms like chlorosis, a browning and death of plant tissue c. fertilizers typically contain nitrogen, potassium, and phosphorus, which are macronutrients d. phosphorus is essential because it regulates stomatal opening and closing e. nitrogen is critical for the formation of nucleic acids and amino acids f. plants have essential mineral nutrients that they must get from their environment in order to grow g. crop rotation helps avoid the build up of pests and improves soil structure h. manure, fish, and compost are examples of inorganic fertilizer i. inorganic fertilizer is made from unsustainable resources 2. Select all statements that are true regarding crop production methods. a. the environmental impact quotient (EIQ) is used to the costs…arrow_forwardRead the following article. ASK MR. GREEN: Organic Produce versus Nonorganic Produce Dear Mr. Green: Lately I see more and more "organic" fruits and vegetables in the supermarkets. I'm confused. Often the organic apples or strawberries aren't as red or as large as the other ones. They sometimes have spots or insect holes. And organic produce can cost three times as much as other produce! So, tell me, what exactly are organic fruits and vegetables? And why are they so expensive? Confused Shopper Now Read Mr. Green's answer. Dear Confused Shopper, You're right. Sometimes organic produce doesn't look as nice as nonorganic produce, and it generally costs up to 50 percent more. Let me explain why. Since about 1950, farmers have used chemicals to grow their fruits and vegetables. They use pesticides to kill insects that eat their plants. They use herbicides to kill the weeds that kill their plants. These chemicals are a great help to farmers. By using them, farmers can grow more produce on…arrow_forward
- Explain some of the factors to look at in crop production...Explain any of themarrow_forwardWhen a plant is deficient of a macronutrient, such as nitrogen, it would have students growth will not be able to complete its life cycle. A. true b. Falsearrow_forwardThis is an essential micronutrient in plants Select one: a. selenium b. arsenic c. zinc d. sulfur e. carbon Clear my choicearrow_forward
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