Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 21.1, Problem 1TC
What do biologists mean when they say that sex and reproduction are uncoupled in most protists?
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Chapter 21 Solutions
Biology
Ch. 21.1 - What do biologists mean when they say that sex and...Ch. 21.1 - define protist and describe the various ways in...Ch. 21.1 - describe a scenario for the evolutionary origin of...Ch. 21.1 - describe the major effects of protists on people...Ch. 21.2 - Prob. 1TCCh. 21.2 - Just as the invasive Cauterpa seaweed often...Ch. 21.2 - If you like sushi, youve probably eaten a sushi...Ch. 21.2 - list the major protist taxonomic groups and the...Ch. 21.2 - describe some examples of how members of each...Ch. 21.2 - Is it important to stop the spread of Caulerpa?...
Ch. 21 - Which of the following statements about protists...Ch. 21 - The harmful protist blooms known as red tides are...Ch. 21 - The organism that causes malaria belongs to which...Ch. 21 - The finger-like extensions of the cell membrane...Ch. 21 - Prob. 5MCCh. 21 - Prob. 1FIBCh. 21 - Prob. 2FIBCh. 21 - Protist chloroplasts surrounded by four-layer...Ch. 21 - Prob. 4FIBCh. 21 - Prob. 5FIBCh. 21 - Prob. 6FIBCh. 21 - List the major differences between prokaryotes and...Ch. 21 - What is secondary endosymbiosis?Ch. 21 - what is the importance of dinoflagellates in...Ch. 21 - What is the major ecological role played by...Ch. 21 - Which protist group consists entirely of parasitic...Ch. 21 - Which protist groups include seaweeds?Ch. 21 - Which protist groups include species that use...Ch. 21 - The internal structure of many protists is much...Ch. 21 - What are some important benefits and services...
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- 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 wellarrow_forwardwhat are some themes in the structural and functional diversity of protists? Nutritional? reproductive?arrow_forwardUsing either bacteria or protists as an example, how can bacteria or protists reproduce sexually (i.e., exchange genetic material)? Be specific about which organism you choose to describe (bacteria or protist).arrow_forward
- What are two major diseases caused by protists (use common names)? -(HINT: this disease was on The Oregon Trail video game) - -(HINT: disease carried around by mosquitos) -arrow_forwardProtists 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?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_forward
- After plasmogamy has occurred, many molds (Mucoromycetes) exist in a heterokaryotic stage for up to centuries at a time. What occurs at the immediate end of this stage? The nuclei fuse in a process called karyogamy. The hyphae fuse in a process called karyogamy. Diploid spores are produced in various spore-producing structures. A haploid zygote is formed that becomes multicellular through repeated rounds of mitosis.arrow_forwardWhat are the major similarities and differences between protists, fungi, and the slime molds?arrow_forwardWhy is 'protists' considered a polyphyletic grouping? Why do biologists still use it?arrow_forward
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