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| 1 | |
___________ are the simplest animals that lack tissues. |
| | A) | Cnidarians |
| | B) | Sponges |
| | C) | Mollusks |
| | D) | Arthropods |
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| 2 | |
"Degenerative evolution" refers to the loss of features not used or needed due to a parasitic lifestyle, as in the tapeworm. |
| | A) | True |
| | B) | False |
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| 3 | |
Which of the following has a rigid exoskeleton? |
| | A) | Spiders |
| | B) | Butterflies |
| | C) | Lobsters |
| | D) | Bees |
| | E) | All of the above |
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| 4 | |
Arthropods have not been able to achieve great size because |
| | A) | the type of organ systems they possess could not support such a development. |
| | B) | they would be unable to successfully reproduce. |
| | C) | chitin is brittle and must be thick to bear the pull of muscles. |
| | D) | their vision is not good enough to hunt larger prey. |
| | E) | None of the above |
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| 5 | |
Of the chelicerates, which of the following transmits Lyme disease to humans? |
| | A) | Spiders |
| | B) | Mites |
| | C) | Scorpions |
| | D) | Ticks |
| | E) | Annelids |
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| 6 | |
One property that sponges share in common with many other animals is |
| | A) | a life cycle that involves alternation of generations. |
| | B) | a free-swimming medusa in its life cycle. |
| | C) | cell recognition. |
| | D) | the ability to digest cellulose. |
| | E) | None of the above |
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| 7 | |
The cnidarians have which of the following evolutionary advances over the sponges? |
| | A) | Bilateral symmetry |
| | B) | Cephalization |
| | C) | A life cycle involving a dominant haploid form |
| | D) | Extracellular digestion |
| | E) | A nonmotile mature form |
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| 8 | |
Which of the following is an example of an organism with the medusae body form? |
| | A) | A sponge |
| | B) | A hydra |
| | C) | A coral |
| | D) | An amoeba |
| | E) | A jellyfish |
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| 9 | |
Which of the following exhibit bilateral symmetry? |
| | A) | Jellyfish |
| | B) | Sponges |
| | C) | Hydra |
| | D) | Planaria |
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| 10 | |
Some animals are hermaphroditic with each individual containing both male and female sexual structures. |
| | A) | True |
| | B) | False |
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| 11 | |
An example of an animal with a pseudocoelomate body is (are) |
| | A) | hydra. |
| | B) | planaria. |
| | C) | rotifers. |
| | D) | Dugesia. |
| | E) | jellyfish. |
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| 12 | |
The basic body plan of a mollusk includes which of the following? |
| | A) | Gills |
| | B) | Mantle |
| | C) | Radula |
| | D) | Foot |
| | E) | All of the above |
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| 13 | |
The segments of annelids are |
| | A) | actually one large unit internally. |
| | B) | partitioned internally. |
| | C) | specialized for different functions. |
| | D) | not present in all species. |
| | E) | Both 2 and 3 |
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| 14 | |
How do the crustaceans differ from the insects? |
| | A) | Crustaceans have an exoskeleton made of chitin. |
| | B) | Crustaceans have legs on their abdomen and thorax. |
| | C) | Crustaceans have jointed appendages. |
| | D) | Crustaceans are exclusively found in marine habitats. |
| | E) | both 1 and 3 |
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| 15 | |
______________ function(s) in excretion in insects. |
| | A) | The poison sac |
| | B) | Spiracles |
| | C) | Trachea |
| | D) | Malpighian tubules |
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| 16 | |
In protostomes, the egg cleaves radially and the blastophore becomes the animal's anus. |
| | A) | True |
| | B) | False |
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| 17 | |
Phylum____________ exhibits 4 key features: a notochord, a nerve chord, pharyngeal pouches, and a postanal tail. |
| | A) | Annelida |
| | B) | Arthropoda |
| | C) | Chordata |
| | D) | Echinodermata |
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| 18 | |
Members of the Phylum _____________ have an endoskeleton made up of bony plates that lie under a delicate skin. |
| | A) | Annelida |
| | B) | Arthropoda |
| | C) | Chordata |
| | D) | Echinodermata |
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| 19 | |
The way that animals are classified is being re-evaluated by using molecular systematics. |
| | A) | True |
| | B) | False |
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| 20 | |
The five body transitions in the evolution of animals occurred in which of the following order? |
| | A) | tissues, bilateral symmetry, body cavity, deuterostome, segmentation |
| | B) | segmentation, deuterostome, body cavity, bilateral symmetry, tissues |
| | C) | body cavity, deuterostome, segmentation, tissues, bilateral symmetry |
| | D) | body cavity, tissues, bilateral symmetry, segmentation, deuterostome |
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