Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 1, Problem 2TS
You want to grow large tomatoes, and you notice mat a name-brand fertilizer clams to produce large plants than a generic brand. How would you test this claim?
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What permit must you get to be able to do trials using an unregistered pesticide or fertilizer? What is its validity?
You are interested in determining the amount of fertilizer your lavender plants need to increase their growth. You get 5 pots of plain soil. You transplant one lavender plant into each pot and measure the height of the plant. You label each pot with letters A-E. A does not get any fertilizer, pot B gets 2mg of fertilizer, pot B gets 4 mg of fertilizer, pot C gets 6 mg of fertilizer, pot D gets 8 mg of fertilizer, and pot E gets 10 mg of fertilizer. For one month you water the plants the same amount and each plant receives the same amount of light. After one month you measure the plants again. The results of the experiment are below.
A. Write a testable hypothesis for this experiment.
B. Write a prediction based on your hypothesis.
C. What is the dependent variable?
D. What is the independent variable?
E. Do the results support or refute your hypothesis?
Results
Pot Initial Measurement (cm) Final Measurement (cm)
A 5.2…
As an agriscientist, what techniques would you choose for creating a type of peach that could be grown in colder clit
hybridization, genetic modification, or selective breeding? Why?
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Chapter 1 Solutions
Biology
Ch. 1.1 - Prob. 1CYPCh. 1.1 - List the common characteristics of all living...Ch. 1.1 - Explain how adaptations relate to evolutionary...Ch. 1.2 - Explain how natural selection results in new...Ch. 1.2 - List the levels of taxonomic classification from...Ch. 1.2 - Describe the differences that might be used to...Ch. 1.3 - Identify the role of the experimental variable in...Ch. 1.3 - Distinguish between the roles of the test group...Ch. 1.3 - Prob. 3CYPCh. 1.4 - Explain how a new technology differs from a...
Ch. 1.4 - Prob. 2CYPCh. 1.4 - Summarize how emerging diseases and climate change...Ch. 1 - Prob. 1ACh. 1 - The level of oganization that includes cells of...Ch. 1 - The process that involves passing on genetc...Ch. 1 - Which of the following includes prokaryotic...Ch. 1 - The most inclusive level of classification is a....Ch. 1 - The process by which evolution occursis called a....Ch. 1 - Prob. 7ACh. 1 - Experiments examine the contribution of the to the...Ch. 1 - Prob. 9ACh. 1 - Prob. 10ACh. 1 - Which of the foIlowing represents the permanent...Ch. 1 - H5N1 and SARS are examples of a extinct species....Ch. 1 - An investigator spills dye on a culture plate and...Ch. 1 - You want to grow large tomatoes, and you notice...Ch. 1 - A scientist wishes to test her hypothesis that a...
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- A secondary plant compound might be used for which of the following? a. a new crop variety b. a new drug c. a soil nutrient d. a crop pestarrow_forwarddo you believe that a combination of Insect Pest management techniques (crop rotation, timing of plantings, and timing of tillage and harvest) is better than using only one type? Justify your stand.arrow_forwardIn North Carolina and other soybean-producing states, many farmers grow a species of soybean known as Roundup Ready. Roundup is a weed-killing chemical that was produced by Monsanto, (recently purchased by Bayer). The farmer can directly spray Round-up on his fields and it will kill all the weeds, yet leave the soybean plants unharmed. One particular farmer noticed that after a few years of using Roundup weed killer, it became less effective, leaving more andynore weeds alive after spraying. Which of the following explanations, best describes why these weeds remained alive? After years of exposure to Roundup, the soybeans became more resistant to the weed killer. Roundup-resistant weeds were more likely to survive and reproduce than were non-resistant individuals. When Bayer bought out Monsanto, they started selling poor-quality Roundup. Roundup-resistant weeds have less-efficient photosynthetic pathways than the original form.arrow_forward
- Your neighbor claims that adding fertilizer to your tomatoes will increase yields. How would you test this claim.arrow_forwardJenny wanted to know whether the type of fertilizer she used affected how well her tomato plants grew. She wanted to test 3 fertilizers: Fertilizer A, B, and C. Jenny split up her garden into 3 sections and planted the same number of tomato plants in each section. When planted, all of the plants were the same height and all sections of the garden received the same amount of sunlight each day. Jenny used Fertilizer A in section 1 of the garden, Fertilizer B in section 2, and Fertilizer C in section 3 of the garden, ensuring that she used the same amount of fertilizer on each plant in each section of her garden. She watered the plants at the same time of day with the same amount of water for 3 months and then she measured how tall each of the plants in each section were. Which of the following is a confounding variable that could affect the results of the experiment if it is not controlled? Choose all that apply. Type of fertilizer |Amount of sun exposure Amount of fertilizer Wateringarrow_forwardJenny wanted to know whether the type of fertilizer she used affected how well her tomato plants grew. She wanted to test 3 fertilizers: Fertilizer A, B, and C. Jenny split up her garden into 3 sections and planted the same number of tomato plants in each section. When planted, all of the plants were the same height and all sections of the garden received the same amount of sunlight each day. Jenny used Fertilizer A in section 1 of the garden, Fertilizer B in section 2, and Fertilizer C in section 3 of the garden, ensuring that she used the same amount of fertilizer on each plant in each section of her garden. She watered the plants at the same time of day with the same amount of water for 3 months and then she measured how tall each of the plants in each section were. There were no results presented in this simple experiment that Jenny conducted. But, which of the following are logical data or results that Jenny could have collected from the experiment? Choose all that apply.…arrow_forward
- 1. The table below shows the results of an experiment done on plants. Use the table to answer the questions below. Plant Soil Type Fertilizer Daily water Sunlight Height after 1 week Super-Gro Hyper-Plants 5L 1 Sand 5L Full 5 cm 2. Sand Fll 8 cm Sand Miracle Meal 5L Full 14 cm 3.arrow_forwardThe song "Bahay Kubo" is an example of FAITH (food-always-in-the-home) concept. 1)List down all the crops (17-18 crops) you can recall in the song. 2)Choose any of the crops in the song to write in cropping patterns. Use the correct symbols to indicate the cropping pattern involved. A) 2 crops under Intercropping (ex: cassava + corn b) 3 crops in sequential cropping (ex Rice - Corn - Soybean) c) 5 crops in strip croppingarrow_forwardYou want to compare 5 formulations of RootsTM fertilizer on the growth of seedling pines growing in a plot of a reforestation project. The plot is irrigated, water flowing in from one side of the plot. Completely Randomized Design, Cross-Over Design, Block Design Is this block design? Would you explain?arrow_forward
- We don't fertilize native vegatation, why is it necessary to fertilize agricultural crops?arrow_forwardHow does copper contamination in soil affect plant growth in an endangered plant?You haveOne greenhouse with three tables100 seeds (10 each from 10 plants: assume each seed is viable)unlimited pots, soil, copper, etc.ConsiderHow will you set up your experiment?How many samples (per treatment, per measurement)?What will you measure (leaf area, number of leaves, shoot height, shoot biomass)?arrow_forwardMay I ask why are there 10 plants that will be used?arrow_forward
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