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Marine Biology 10th Edition by Castr -Test Bank

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  • ISBN-10 ‏ : ‎ 1259706141
  • ISBN-13 ‏ : ‎ 978-1259706141

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SKU:tb1002488

Marine Biology 10th Edition by Castr -Test Bank

Chapter 07
Marine Animals Without a Backbone

Multiple Choice Questions

1. Animals, all members of the kingdom Animalia, are characterized by all of the following except one:
A. They can be eukaryotic and mutlicellular
B. Most are multicellular
C. Some are autotrophs
D. Some lack a backbone
E. Some are eukaryotic and unicellular

2. Which of the following type of cells and structures of sponges does not match the function?
A. Collar cells — calcareous structures for support
B. Osculum — opening through which water leaves
C. Pore cells — opening through which water enters
D. Spongin — fibers for support
E. Gametes — reproduction

3. All sponges share only one of these features:
A. They are all marine
B. They reproduce by asexual reproduction only
C. They have specialized circulatory organs
D. They have neumatocysts
E. They are multicellular

4. Sponges and all filter feeders use the following as a food source:
A. Invertebrates only
B. All particulate matter suspended in water
C. Particulate matter that deposits on the bottom only
D. Dead vertebrates
E. Vegetable matter only in the water

5. The larval stage of an animal is best defined as:
A. Immature stage that is able to reproduce
B. Early colony of cells of fresh-water sponges
C. Early stage of development of an organism, typically part of the plankton
D. Sperm cell that lives free in the water
E. Egg that has been fertilized by more that one sperm

6. All cnidarians share all of these features except one:
A. Nematocysts
B. Multicellular
C. Radial symmetry
D. Complete digestive tract with mouth and anus
E. Marine and fresh-water

7. An example of an anthozoan is:
A. Portuguese-Man-of War
B. Colonial hydroid
C. Sea nettle jellyfish
D. Sea wasp
E. Reef coral

8. Most cnidarians are specialized as:
A. Filter feeders
B. Parasites
C. Carnivores
D. Plant-feeders
E. Feeders of organic matter on the bottom

9. Free-floating cnidarians like jellyfish are referred to as having a ___________ type form.
A. Polyp
B. Benthic
C. Bilateral
D. Medusa
E. Asexual

10. Comb jellies are:
A. Bilaterally symmetrical
B. Similar to a cnidarian polyp
C. Distinguished by eight bands of cilia
D. Colonial animals
E. Carnivores that use nematocysts to capture prey

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