Biological Science (7th Edition)
7th Edition
ISBN: 9780134678320
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Greg Podgorski, Emily Taylor, Jeff Carmichael
Publisher: PEARSON
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Chapter 27, Problem 16PIAT
Summary Introduction
To review:
The statement made by the researchers that the slime molds could be used to help in planning the paths of the future roadways and railways.
Introduction:
Slime molds refers to the eukaryotic organisms that are able to live freely like a single cell. However, they can come together in order to form multicellular reproductive structures.
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Chapter 27 Solutions
Biological Science (7th Edition)
Ch. 27 - Why are protists considered paraphyletic? a. They...Ch. 27 - 2. The most important primary producers in marine...Ch. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - 8. The text claims that the evolutionary history...Ch. 27 - Prob. 9TYPSSCh. 27 - Prob. 10TYPSSCh. 27 - Does a slime mold “know” where it’s going?
When...Ch. 27 - Prob. 12PIAT
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- Slime molds/moulds or mycetozoans is a broad term that applies to many fungus-like protists. a. In what sense is it appropriate to describe slime molds as “fungus animal”? b. Elaborate on the evolution of the slime molds into two distinct groups.arrow_forwardA new disease is discovered that causes affected individuals to stumble, appear to have decomposing skin, and have the strong desire to bite another person. One scientist believes a type of fungus to be the cause. What should she do to demonstrate a link between the suspected pathogen and the disease? A. Use PCR to determine what genes are in the fungus B. Calculate the ID50 of the fungus C. Show that the fungus is present in diseased but not healthy individuals, culture it, infect an animal model with it, and reculture the fungus from the animal D. Test affected individuals for antibodies to the fungusarrow_forwardCompare and contrast the two types of slime molds with one another and with water molds.arrow_forward
- Why is it so important to learn about the Piltdown Hoax? Do you think it demonstrates that scientists may lose their objectivity when they want data to fulfill their expectations and desires or does it demonstrate the self-corrective nature of science? Why were people so willing to believethat one of the oldest specimens was found in south England?arrow_forwardCyanobacteria was responsible for the increase in oxygen levels billions of years ago. They play a decisive role in changing the earth’s environment. Explain how are Cyanobacteria related in changing the early earth’s environment which later suitable for the development of other organisms.arrow_forwardUse the diagram below to answer the questions that follows 1) what type of plate boundary occurs at X 2) what feature occurs at Y and how does it form? 3) identify the three plates in the diagram and name the materials that make up each plate.arrow_forward
- In the shale unit, you find the following fossil: What is the mode of preservation of this fossil? Recrystallization Internal mold Replacement External mold Carbonizationarrow_forwardThe most useful method for dating ancient calcium rich cave deposits would be Group of answer choices A: Argon-Argon Dating B: Paleomagnetic Reversals C: Electron Spin Resonance Dating D: Uranium-Thorium Dating E: Potassium-Argon Datingarrow_forwardExplain why the process of endosymbiosis can be viewed asboth an ancient event and a more recent event. What advantages could endosymbiosis give to both the endosymbiontand the host?arrow_forward
- Slime moulds are excellent material for the study of protoplasm.Comment.arrow_forwardOn the first official “Arbor Day”, people in the state of Nebraska planned more than ————- trees.arrow_forwardAssume you have an invasive fungus species growing in your backyard and you want to get rid of it. You decide to remove them from the ground by hand and dispose them in a corner because they will die off anyways. Few days later, you see even more fungi growing where you remove the original fungus. Why do you think that happened?arrow_forward
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