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43 Cards in this Set
- Front
- Back
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All mollusk shells are lined with and secreted by a fleshy food of tissue called the foot. |
False |
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Due to the presence of a shell, all gastropods are capable of living on land for at least a portion of their lives. |
False |
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Different regions of an annelids body specialize for different functions. |
True |
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Some leeches have become specialized to a parasitic way of life by developing the ability to suck blood from the bodies of other organisms. |
True |
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A structure found in many mollusks is the radula, which is involved in... |
Eating |
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Which of the following is correctly paired? |
Phylum Mollusca- Octopus |
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All of the following are classes of the phylum Mollusca except... |
Pseudopods |
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“Jet propulsion” is the usual means of locomotion in water for... |
Cephalopods |
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Shells of mollusks... |
May consist of one or more pieces, provide protection, and allow for the attachment of muscles |
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All of the cephalopods... |
Are active predators |
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The only cephalopod that has retained its external shell is the... |
Nautilus |
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Segmented worms are known as... |
Annelids |
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An example of segmentation in humans is... |
Vertebral column |
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The most significant evolutionary advancement of annelids over mollusks is believed to be... |
Segmentation |
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Segmented worms are known as... |
Annelids |
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Of the four basic types of tissue, the tissue that is specialized to transmit and receive messages in the body is... |
Nerve tissue |
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The digestive tube of annelids is divided into three regions. Which of the following is not among these regions? |
Radula |
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The advantage of a closed circulatory system over an open circulatory system is that... |
Blood moves more efficiently through the tubes of a closed circulatory system |
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Of the following organs, the one that does not exist in annelids is the... |
Gills |
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The clitellum of an earthworm... |
Is associated with reproduction |
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Earthworms are considered to be beneficial to the environment because... |
Their castings contain nutrients, they aerate the soil as they move through it, and they break up the soil in which they live |
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Parapodia are involved in all of the following except... |
Reproduction |
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Leeches... |
Use suckers to aid in movement, may be parasitic, and are segmented |
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In earthworms, food is ground into small pieces in the... |
Gizzard |
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In annelids, nitrogen-containing wastes are eliminated by |
Nephridia |
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What features found in annelids indicate the presence of a closed circulatory system? |
Blood vessels |
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A type of worm that is an external parasite is the... |
Leech |
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Earthworm tunnels provide passageways for... |
Water and air |
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The thin layer of tissue that covers a mollusks body and produces a shell in many mollusks is called the... |
Mantle |
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In mollusks, the spade shaped burrowing structure of one group and the tentacles of another group do not resemble each other, but both are modifications of the... |
Foot |
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The most active mollusks that are also predators are the... |
Cephalopods |
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Filter feeding bivalves can be used to monitor the environmental health of a habitat because... |
The bivalves concentrate pollutants and microorganisms in their tissues |
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The circulatory system of an earthworm has simple heart-like organs called... |
Aortic arches |
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Earthworms have four small setae on each segment. How many parapodia do they have on each segment? |
0 |
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Why would an earthworm die if it’s skin lost all moisture? |
Respiration would be impossible |
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Many herbivorous mollusks eat algae and plants using a tongue-like organ called a ... |
Radula |
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The earthworm heart is really... |
Five pairs of pumping vessels |
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Indigestible material leaves the earthworms body through the... |
Anus |
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The earthworms nerve cord is found... |
Along the belly |
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The earthworm is dissected... |
Along the back or dorsal surface |
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The process by which the earthworm grows back a few body segments which it may have lost is called... |
Regeneration |
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The liplike structure that covers the earthworms mouth is the... |
Prostinium |
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Locomotion in earthworms involves the use of... |
Bristles and muscles |
