In: Biology
Which of the following is not a characteristic of the Porifera?
channel like openings throughout the body |
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asymmetry |
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vase shaped body |
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organs |
Which statement best explains how adult lancelets differ from adult tunicates?
Adult lancelets are parasitic and adult tunicates are not. |
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Adult tunicates swim and adult lancelets do not. |
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Adult tunicates are parasitic and adult lancelets are not. |
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Adult lancelets swim and adult tunicates do not. |
Kathy works at a zoo and cares for amphibians. What is a unique feature of amphibians in comparison to reptiles that would impact upon amphibian care?
Amphibians lay hard shelled eggs |
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Amphibians have tails |
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Amphibians undergo metamorphosis |
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Amphibians have scaly skin |
The word chondri in the term Chondrichthyes means the following.
bone |
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soft |
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cartilage |
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flexible |
Most biologists agree that animals arose from the following organism
a flagellated protist. |
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a ciliated protist. |
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a yeast. |
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fungi. |
Which of the following statements represents the difference between roundworms and flatworms.
Roundworms have no nervous system but flatworms do |
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Roundworms are pseudocoelomates but flatworms are acoelomates |
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Flatworms have no nervous system but roundworms do |
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Flatworms have a coelomic cavity but roundworms do not |
The following animal has a body cavity lined completely with tissue:
nematode |
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mollusk |
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turbellarian |
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cestode |
Which term explains a lined body cavity derived from mesodermal embryonic tissue?
pseudocoelom |
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coelom |
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acoelom |
Which term explains a respiratory tube that conducts air to the tissues in some arthropods, such as insects?
pharynx |
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trachea |
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tubules |
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spiracle |
1. Which of the following is not a characteristic of the Porifera?
Answer is: Organs.
2. Which statement best explains how adult lancelets differ from adult tunicates?
Answer is: Adult lancelets swim and adult tunicates do not.
3. Kathy works at a zoo and cares for amphibians. What is a unique feature of amphibians in comparison to reptiles that would impact upon amphibian care?
Answer is: Amphibians undergo metamorphosis.
4. The word chondri in the term Chondrichthyes means the following.
Answer is: Cartilage.
5. Most biologists agree that animals arose from the following organism
Answer is: a flagellated protist.
6. Which of the following statements represents the difference between roundworms and flatworms.
Answer is: Roundworms are pseudocoelomates but flatworms are acoelomates
7. The following animal has a body cavity lined completely with tissue:
Answer is: nematode
8. Which term explains a lined body cavity derived from mesodermal embryonic tissue?
Answer is: coelom
9. Which term explains a respiratory tube that conducts air to the tissues in some arthropods, such as insects?
Answer is: spiracle