unit #5 quiz #6
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Unit #5 Quiz #6. Grade:. «grade». Aquatic Science. Subject:. «date». Date:. 1. All of the following are true when considering bivalves EXCEPT:. A. Bivalves lack cephalization. B. Adductor muscles are responsible for keeping bivalves tightly shut. C. - PowerPoint PPT PresentationTRANSCRIPT
Unit #5 Quiz #6
Grade:«grade»
Subject:Aquatic Science
Date:«date»
1 All of the following are true when considering bivalves EXCEPT:
A Bivalves lack cephalization
B Adductor muscles are responsible for keeping bivalves tightly shut
C Bivalves use a modified radula to gather food quickly during the few instances that the shell is open
D Each individual bivalve is definitively male or female & must undergo sexual reproduction
2 Echinoderms can reproduce in all of the following ways EXCEPT:
A Hermaphroditic reproduction
B Asexual reproduction
C Sexual reproduction
D Regeneration
3 Cephalopod translates to:
A joint foot
B stomach foot
C two shell
D head foot
4 An herbivorous mollusk would most likely use ________ while feeding.
A a beak
B a poisonous harpoon (modified radula)
C a radula
D heavily ciliated gills
5 A bivalve uses ________ to consume/capture food.
A a beak
B a poisonous harpoon (modified radula)
C a radula
D heavily ciliated gills
6 The operculum plays an important role for gastropods in that:
A The operculum is responsible for the majority of gas exchange within gastropods
B The operculum seals the shell of a gastropod shut when it retreats into its shell
C The operculum helps guide the formation of the columella, but if it is damaged the shell will begin to make smaller and smaller whorls
D The operculum helps raise the eyes above the shell so that the gastropod can see almost 360 degrees
7 Crustaceans can be found in which of the following phyla:
A mollusk
B echinoderm
C arthropod
D cnidarian
8 Which of the following is a cephalopod that has an external shell:
A Snail
B Nautilus
C Squid
D Octopus
9 All of the following are potential defense mechanisms for a cephalopod EXCEPT:
A an ink sac that releases melanin
B chromatophores that allow an organism to change color & even texture
C a modified radula that is covered in neurotoxins
D modified tentacles that are lined with suction cups/hooks used to grasp prey
10 Which of the following is considered the most intelligent of known invertebrates:
A cephalopods such as squid and octopus
B cetaceans such as dolphins and whales
C crustaceans such as crabs and lobsters
D bivalves such as clams and oysters
11 The following organism has which type of symmetry:
A radial
B asymmetry
C bilateral
D hexamerism
12 In the following picture, which represents the anterior protion of the organism:
A
B
C
D
13 Which of the following represents the body whorl:
A
B
C D
14 Which of the following represents the aperture:
A
B
C D
15 The following image represents which type of symmetry:
A radial
B asymmetry
C bilateral
D hexamerism