Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 31, Problem 31.3CR
Did multicellularity originate independently in
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Describe the evidence that multicellularity evolved independently in fungi and animals
Fungi and animals are both part of a group called Opisthokonta. The vast majority of fungi are multicellular. However, their sister taxon consists of unicellular species. Animals also are multicellular and their closest relatives are again unicellular. Briefly describe the two hypotheses that could explain the origin of multicellularity in the Opisthokonta, and then explain which of the two is the more likely hypothesis
describe the advantages that fostered the origin of multicellularity?
Chapter 31 Solutions
Campbell Biology
Ch. 31.1 - Prob. 1CCCh. 31.1 - Prob. 2CCCh. 31.1 - MAKE CONNECTIONS Review Figure 10.4 and Figure...Ch. 31.2 - Prob. 1CCCh. 31.2 - WHAT IF? Suppose that you sample the DNA of two...Ch. 31.3 - Why are fungi classified as opisthokonts despite...Ch. 31.3 - Prob. 2CCCh. 31.3 - Prob. 3CCCh. 31.4 - Prob. 1CCCh. 31.4 - Give examples of how form fits function in...
Ch. 31.4 - WHAT IF? Suppose that the mutation of an...Ch. 31.5 - What are some of the benefits that liehen algae...Ch. 31.5 - Prob. 2CCCh. 31.5 - WHAT IF? How might life on Earth differ from what...Ch. 31 - How does the morphofogy of multicellular fungi...Ch. 31 - Prob. 31.2CRCh. 31 - Did multicellularity originate independently in...Ch. 31 - Prob. 31.4CRCh. 31 - How are furigi important as decomposers,...Ch. 31 - Prob. 1TYUCh. 31 - Prob. 2TYUCh. 31 - Prob. 3TYUCh. 31 - Prob. 4TYUCh. 31 - Prob. 5TYUCh. 31 - Prob. 6TYUCh. 31 - WRITE ABOUT A THEME: ORGANIZATION As you read in...Ch. 31 - SYNTHESIZE VOUR KNOWLEDGE This wasp is the...
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- a) Do you think that most plant and animal cells are similar to does we observed today? b) Both atoms and the cells viewed today are small. Describe at least teo ways in which atoms and cells differ? c) What criteria can you use to distinguish between cells of the organisms belonging to different eukaryotic kingdoms (planta, animals , fungi)arrow_forwardA student is using a Venn Diagram to communicate understanding of the similarities and differences between fungi and animals. The student placed key characteristics in each circle and classmates are asked to review the work. Fungi Only Animals Only Both May be multicellular or unicellular Eukaryotic Multicellular Can reproduce asexually or sexually No cell wall Has a cell wall Heterotrophic Which feedback would be the MOST accurate? O A. "All animals only reproduce sexually so you need to move 'may reproduce sexually or asexually 'to fungi only." B. "You need to move the term heterotroph to the 'animals' circle because fungi can be heterotrophic or autotrophic." C. "You have all of the information correct." O D. "You should remove 'has a cell wall' because neither fungi nor animals have a cell wall.arrow_forwardWhat is the difference between parts B and C in malia's diagram? (a) Part B is responsible for giving the cell structure and support and part C allows nutrients and waste to enter and leave the cell (b)Part B is responsible for for letting nutrients and waste pass through the cell and part C holds all of the organelles in place (c) both parts B and C are responsible for producing food for the cell (d) there is no difference between B and C, their combined purposes to hold the cell togetherarrow_forward
- The Phylum Animalia has some unique traits that set it apart from plants and fungi. Check all traits that animals have: [] They have teeth [] A blastula is formed shortly after fertilization [] They are all cute and furry [] Prokaryotic Cells [] Eukaryotic cells[] They are all noctumal[] Multicellular[] They are all nocturnal[] Motile at some point in their lives[] No cell wallarrow_forwardIdentify two features of organelles that support theendosymbiotic theory of organelle evolution.arrow_forwardWhat types of similarities in cell structure and function tell biologists about the common origin of organisms? Explainarrow_forward
- How can scientists determine that multicellularity arose more than once in different lineages? Select one: a. Scientists do not know b. Bacteria live as multicellular groups called biofilms c. Animals are more closely related to single-celled eukaryotes than to fungi d. Fungi can produce multicellular structuresarrow_forwardWhat evidence did Carl Woese use to create his Three Domain Hypothesis? Comparison of organelle reproduction Comparison of 80S and 70S ribosomes Comparison of rRNA Comparison of organelle membrane structurearrow_forwardIs Cell wall are present in monera?arrow_forward
- A sclerocyte is : a) a stem cell b) a cnidarian cell c) a porifera cell d) a polychaeta cellarrow_forwardYou discover a new multicellular, heterotrophic, eukaryotic organism. What is one characteristic that will allow you to classify this new organism as an animal? Group of answer choices cell walls made of chitin structural proteins multicellular haploid stage in its life cycle cell walls made of cellulose external digestionarrow_forwardFungi and Animals are distantly related to each other. One trait animals and fungi share however is; Both groups are immobile Both groups undergo an alternation of generations Both have heterokaryotic cells Both groups are heterotrophsarrow_forward
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