fishing net brings up a soft bodied animal with a coiled external shell. How can you determine whether the animal is a gastropod or a cephalopod? A) give one unique trait that would allow you to identify the organism as a member of class gastropoda. B) give one unique trait that would allow you to identify the organism as a cephalopod

fishing net brings up a soft bodied animal with a coiled external shell. How can you determine whether the animal is a gastropod or a cephalopod? A) give one unique trait that would allow you to identify the organism as a member of class gastropoda. B) give one unique trait that would allow you to identify the organism as a cephalopod

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter15: Diversity Of Animals

Section: Chapter Questions

Problem 16RQ: Members of Chondrichthyes differ from members of Osteichthyes by having a _______. a. jaw b. bony...

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In terms of classification, what are the 5 unique characteristics that place animals in the Phylum Mollusca? B)Name one characteristic for each the mussel, chiton, snail, and squid that is unique to each of their respective classes.
What could be the reason behind the successful and remarkable diversification of gastropods over other Molluscan groups? Explain.
During a survey you spot a soft bodied animal enclosed in a two-piece shell. How can you determine whether this animal is a bivalve mollusk or brachiopod? A) give one unique trait that would allow you to identify the organism as a member of class bivalvia? B) give one unique trait that would allow you to identify the organism as a brachiopod
Which other invertebrate groups are likely to be the closest relatives of molluscs? What evidence supports and contradicts these relationships?
Suppose you discover a new species of animal that does not have body segments, but is triploblastic, coelomate, and cephalized. Under the molecular phylogenetic scheme, you would allocate it to which phylum? A)Platyhelminthes. B)Arthropoda. C)Nematoda. D)Mollusca. E)Echinodermata.
What factors support the placement of phoronids and brachiopods as sister taxa?
Members of Chondrichthyes differ from members of Osteichthyes by having a _______. a. jaw b. bony skeleton c. cartilaginous skeleton d. two sets of paired fins
What would be the best anatomical feature to look for to distinguish a gastropod from a chiton? (presence of muscular foot/ presence of a radula/ production of eggs/ number of shell plates)?
What is the importance of torsion and shell coiling in gastropods along with their evolution? Elaborate
To which of the following groups would a species that does not molt, possesses a coelom, and has a trochophore larva belong? a. Ecdysozoa b. Parazoa c. Platyzoa d. Lophotrochozoa
In the Mollusca phylogenetic tree below, circle the node that corresponds to the latest common ancestor of Scaphopoda and Gastropoda. Label it “A” In the same tree, circle the clade that includes Bivalvia and Cephalopoda. Label it “B”.
Why is the internal shell of Cephalopods significant to their adaptation?