6th Mollusks & Worms Word Scramble
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Question | Answer |
___ ___ have long tube-like bodies that are divided into segments | segmented worms |
Segmented worms | are the simplest organisms with a true nervous system and blood contained in vessels |
A long digestive tube runs down the length of the ___ inner body | worm's |
Worms take in dissolved oxygen from the water through their ___. | skin |
Examples of segmented worms | earthworms & leeches |
Mollusks | have soft bodies |
Most mollusks have a thick muscular foot for ___ or to open and close their ___ | movement; shells |
___ have more developed body systems than sponges or worms | Mollusks |
Mollusks take in oxygen through ___ or ___ | gills; lungs |
___ have shells or no shells | Mollusks |
slug | a gastropod that has no shell |
snail | a gastropod that has a shell |
bivalves | mollusks that have two shells |
invertebrates | do not have a skeleton or backbone |
cephalopods have a ___ circulatory system. | closed |
gastropods have a ___ circulatory system | open |
several species of molllusks produce ___. | pearls |
Created by:
Ms. Phillips
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