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Loose-leaf Version for What is Life? A Guide to Biology
3rd Edition
ISBN: 9781464172274
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Question
Chapter 18, Problem 14SA
Summary Introduction
To review:
Which part of the plant should be cut to induce the plant to grow taller.
Introduction:
The height of the plant increases due to the activity of the apical meristem.
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Students have asked these similar questions
Engineers have designed a smaller version of such a container that can be used to seal off a small part of the plant. One version of this device, called a leaf chamber, is shown below. When a scientist uses this device on a plant, they don’t need to break the leaves off the branch or stem they are attached to. The leaf chamber makes an airtight seal around the stem or branch even though it is sticking out of the chamber.
Using this device, scientists detected the most change in O2 and CO2 levels inside the chamber when a leaf is in the chamber. They only detected a small change in O2 and CO2 levels in the chamber when a green stem was placed in the chamber. No change was detected when a root or a brown stem was placed in the chamber.
Why do you think a scientist would prefer not to remove the leaves from a tree or a plant in order to take these sorts of measurements?
Growers often wrap potted plants in plastic sleeves prior to shipping. If plants remain in these sleeves too long, their leaves curl and fall off. Imagine you are working at a garden center and have been asked to make a presentation to a local garden club. how can growers avoid problems for example when it comes to plastic sleeves?
Do you agree that it is the stem that
is growing? Why or why not?
Notebook Entry 1
My seed has begun to
grow. I think the thing
coming out of the split seed
is the stem. It will begin to
grow up in a few more
days. Later, the root will
begin to grow.
Chapter 18 Solutions
Loose-leaf Version for What is Life? A Guide to Biology
Ch. 18 - Prob. 1SACh. 18 - Prob. 2SACh. 18 - Prob. 3SACh. 18 - Prob. 4SACh. 18 - Prob. 5SACh. 18 - Prob. 6SACh. 18 - Prob. 7SACh. 18 - Prob. 8SACh. 18 - Prob. 9SACh. 18 - Prob. 10SA
Ch. 18 - Prob. 11SACh. 18 - Prob. 12SACh. 18 - Prob. 13SACh. 18 - Prob. 14SACh. 18 - Prob. 15SACh. 18 - Prob. 16SACh. 18 - Prob. 1MCCh. 18 - Prob. 2MCCh. 18 - Prob. 3MCCh. 18 - Prob. 4MCCh. 18 - Prob. 5MCCh. 18 - Prob. 6MCCh. 18 - Prob. 7MCCh. 18 - Prob. 8MCCh. 18 - Prob. 9MCCh. 18 - Prob. 10MCCh. 18 - Prob. 11MCCh. 18 - Prob. 12MCCh. 18 - Prob. 13MCCh. 18 - Prob. 14MCCh. 18 - Prob. 15MC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- An orchid plant is growing on the branch of mango tree.How do you describe this interaction between the orchid and the mango tree?arrow_forwardTida made a sketch of a plant in her bedroom, similar to the one shown below. She keeps the plant near a sunnywindowsill. Tida wants to investigate how the plant will respond if she turns it 180 degrees, or one half circle. She turnsthe plant and observes it two days later. a Most of the plant's leaves will be facing side B. b The plant's top leaves will droop downward. c The plant will lose more leaves on side A. d The plant's leaves will be evenly distributed between sides A and B.arrow_forwardAn orchid plant is growing on the branch of mango tree. How do you describe this interaction between the orchid & the mango tree?arrow_forward
- We say that movement is a characteristic of living organisms but we always don’t see visible movements in plants. Comment.arrow_forwardWhen you look at a head of cabbage or lettuce, what are you seeing? Where is the stem? What about when you look at an onion? What are you seeing and where is the onion’s stem?arrow_forwardWhich of the following is NOT a function of the stem in a plant? ANSWER CHOICES ARE IN THE PHOTO. thanks.arrow_forward
- In a comparison of the water potential and turgor pressure of leaf cells before and after wilting, which of the following would you expect to find? Select one: a. Water potential: wilted = not wilted; Turgor Pressure: wilted < not wilted b. Water potential: wilted > not wilted; Turgor Pressure: wilted < not wilted c. Water potential: wilted < not wilted; Turgor Pressure: wilted > not wilted d. Water potential: wilted < not wilted; Turgor Pressure: wilted < not wilted e. Water potential: wilted > not wilted; Turgor Pressure: wilted > not wiltedarrow_forwardMost plants grow taller through [x] tissue This is called [y] growth. Plants can grow wider through [z] tissue. This is called [a] growtharrow_forwardA student reporting on a project said that one of her seeds did not grow properly because it was planted upside down, so it got confused and tried to grow down. Should the teacher accept this explanation? Why or why not?arrow_forward
- Many plants have storage structures under the soil that are quite diverse. How would you decide if the one of these structures was a modified stem or a modified root? Explain.arrow_forwardUrkle decided he wanted to test the effects of watering his plants with cold coffee. For a week he watered one group of plants cold coffee. He ignored the other group of plants. Urkle has no idea what might happen to plants that receive coffee. What is wrong with Urkle's experimental design? If Urkle wants to test the effects of cold coffee on plant growth, he should water his control group with cold water. If Urkle wants to test the effects of cold coffee on plant growth, he should water the plants in the other group with Dr. Pepper. If Urkle wants to test to test the effects of cold coffee on plant growth, he should water the plants in the other group with hot coffee. If Urkle wants to test the effects of cold coffee on plant growth, he can ignore the control group as long as he makes sure both groups get the same amount of sun.arrow_forwardGrowers often wrap potted plants in plastic sleeves prior to shipping. If plants remain in these sleeves too long, their leaves curl and fall off. Imagine you are working at a garden center and have been asked to make a presentation to a local garden club. how can growers avoid problems for example when it comes to plastic sleeves how can we fix itarrow_forward
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