Prescott's Microbiology
11th Edition
ISBN: 9781260211887
Author: WILLEY, Sandman, Wood
Publisher: McGraw Hill
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Textbook Question
Chapter 24.1, Problem 7CC
Why has taxonomic classification of protists been problematic?
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Protists are a group of eukaryotic organisms that are brought together by scientists mostly by convenience. I) What is the relationship between all protists that ties them together? ii) provide an example of a autotrophic and heterotrophic protists group, iii) what is the relationship between the multicellular eukaryotes and the protists?
Why are the protists considered paraphyletic?
A)
A major difference between eukaryotic cells and prokaryotic cells is that eukaryotic cells
Group of answer choices
exhibit little if any compartmentalization of function
are generally smaller than prokaryotic cells
have a large degree of internal organization
lack organelles
have little if any internal organization
B)
Which of the following statements about protists is false?
Group of answer choices
Some protists are mixotrophic
Certain protists share a common ancestor with land plants
Some protists are photosynthetic prokaryotes which are similar to the
ancestral chloroplast
Protists are a polyphyletic group of organisms that often bear little resemblance to each other
Although most protists are unicellular, some protists are multicellular as well
Chapter 24 Solutions
Prescott's Microbiology
Ch. 24.1 - Prob. 1CCCh. 24.1 - Prob. 2CCCh. 24.1 - Prob. 3CCCh. 24.1 - Prob. 4CCCh. 24.1 - Prob. 5CCCh. 24.1 - Describe vesicular, ovular, and chromosomal...Ch. 24.1 - Why has taxonomic classification of protists been...Ch. 24.2 - Prob. 1MICh. 24.2 - What are the functions of the stigma and the...Ch. 24.2 - Prob. 1CC
Ch. 24.2 - What is the function of the plasmalemma and...Ch. 24.2 - Prob. 3CCCh. 24.3 - Prob. 1MICh. 24.3 - Prob. 2MICh. 24.3 - Prob. 1CCCh. 24.3 - Prob. 2CCCh. 24.3 - Prob. 3CCCh. 24.4 - Prob. 1MICh. 24.4 - What are the functions of the micronucleus and...Ch. 24.4 - How does the trigger for sexual reproduction...Ch. 24.4 - Prob. 1CCCh. 24.4 - Compare how radiolaria use axopodia with the way...Ch. 24.4 - Prob. 3CCCh. 24.4 - Prob. 4CCCh. 24.4 - Describe conjugation as it occurs in ciliates....Ch. 24.4 - Prob. 6CCCh. 24.4 - Prob. 7CCCh. 24.4 - Prob. 8CCCh. 24.4 - Prob. 9CCCh. 24.5 - Prob. 1MICh. 24.5 - Compare the morphology of members of the genus...Ch. 24.5 - Prob. 2CCCh. 24 - Prob. 1RCCh. 24 - Prob. 2RCCh. 24 - Prob. 3RCCh. 24 - Prob. 4RCCh. 24 - Prob. 5RCCh. 24 - Prob. 6RCCh. 24 - Protist encystment is usually triggered by changes...Ch. 24 - Vaccine development for diseases caused by...Ch. 24 - Prob. 3ALCh. 24 - Benthic foraminifera inhabit marine sediments. It...Ch. 24 - Prob. 5AL
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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
- Is protist dna in a nucleus unicellular or multicellular?According to the phylogeny presented in this chapter which protists are in the same eukaryotic supergroup as plants a) green algae b) dinoflagellates c) red algaed both a and c in a lifecycle with alternation of generations multicellular haploid forms alternate with a unicellular haploid forms b unicellular diploid formsc multicellular haploid forms d) multicellular diploid formsarrow_forwardwhy is the kingdom protista not a valid group from an evolutionary perspective?arrow_forward1) Make a graphic/visual organizer of the four supergroups of Protists and the major groups of protists. 2) The graphic organizer must include all the following major groups. Include one example organism and one derived character (shared by most or all members of the group).arrow_forward
- Amoeba, Paramecuim, and Spirogyra are diverse. Why, then, are they all classified as protists?arrow_forwardWhy have molecular biologists sequenced the genomes of severalparasitic protists?arrow_forwardWhat are some of the criteria and tools biologists might use to assign the different types of protists to monophyletic groups?arrow_forward
- The phylum Protista has often been referred to as a junk drawer of classification. Explain what is meant by this term.arrow_forwardWhy are protists not all grouped together into a single eukaryotic supergroup? Their modes of reproduction are extremely diverse. They do not all possess the same mitochondria structure. They did not all evolve from a shared common ancestor. Their DNA sequence is not identical. They fulfill many different ecological roles. They are found in a variety of habitats.arrow_forwardwhy current taxonomy divides these organisms into six different super groups rather than lumping them all together under the old designation of Protista?arrow_forward
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