| 1. |
The highest classification category in the Linnaean system is:
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a)
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phylum |
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b) |
kingdom |
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c)
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Chordata |
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| 2. |
Into how many kingdoms do biologists now usually divide living
things? |
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a)
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2 |
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b)
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3 |
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c)
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5 |
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| 3. |
Biological kingdoms are distinguished based on whether they have
species that are: |
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a)
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single or multicelled |
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b)
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absorbers, ingesters, or producers of food |
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c)
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both of the above |
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| 4. |
Humans are members of the kingdom:
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a)
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Plantae |
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b)
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Protista |
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c)
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Monera |
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d)
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none of the above |
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| 5. |
If an organism does not have its own means of locomotion and it
produces new cells out of inorganic materials through the photosynthesis process, it is:
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a)
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a plant |
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b)
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an animal |
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c)
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either a plant or an animal |
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| 6. |
If an organism has nerves and muscles, it is:
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a)
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a plant |
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b)
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an animal |
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c)
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either a plant or an animal |
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| 7. |
At the phylum level of classification, animals are mostly
distinguished based on differences in: |
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a)
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basic body plan |
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b)
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reproductive systems |
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c)
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neither of the above |
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| 8. |
In which of the following phyla do animals have external skeletons
as well as jointed bodies and limbs? |
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a)
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Mollusca |
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b)
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Chordata |
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c)
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Arthropoda |
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| 9. |
When the left and right sides of an animal body are mirror images of
each other, it is referred to as being: |
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a)
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bilateral symmetry |
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b)
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radial symmetry |
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c)
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neither of the above |
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| 10. |
All chordates have ___________________ at some time in their life
cycles. |
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a)
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gill slits or pouches |
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b)
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bones |
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c)
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a spinal nerve chord protected by bone |
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d)
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all of the above |
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| 11. |
A notochord is: |
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a)
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located under the ventral surface of the body
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b)
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a rudimentary internal skeleton made of cartilage
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c)
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found only in primitive chordates |
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d)
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all of the above |
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| 12. |
Which of the following are not chordates?
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a)
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mammals |
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b)
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birds |
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c)
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amphibians |
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d)
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all are chordates |
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| 13. |
Subphylum is a Linnaean classification category that is:
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a)
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below phylum |
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b)
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above phylum |
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c)
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immediately below kingdom |
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| 14. |
The subphylum Vertebrata includes:
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a)
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humans |
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b)
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fish |
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c)
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reptiles |
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d)
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all of the above |
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| 15. |
All vertebrates have:
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a)
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a spinal column of bone and/or cartilage |
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b)
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a spinal nerve chord |
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c)
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a brain and paired sense organs |
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d)
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all of the above |
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| 16. |
Which of the following is true about animals in the subphylum
Vertebrata? |
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a)
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They are the most numerous chordates. |
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b)
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They include invertebrate species. |
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c)
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They all live on the land or in the air. |
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d)
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all of the above |
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| 17. |
The stage of development of an animal after conception but before it
has the recognizable physical characteristics of its species and gender is called the
__________ stage. |
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a)
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fetal |
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b)
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embryonic |
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c)
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postnatal |
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