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Lewis Invertebrates
| Question | Answer |
|---|---|
| animal that eats only plants or parts of plants; has large molars for grinding plant parts | herbivore |
| animal that eats only other animals or the remains of other animals; has large, sharp canine teeth and strong jaw muscles for tearing flesh | carnivore |
| animal that eats both plants and animals; has a variety of teeth for eating both plant and animal parts | omnivore |
| animal with a backbone | vertebrate |
| animal lacking a backbone | invertebrate |
| any structural characteristic or behavioral change that helps an organism survive in its particular environment | adaptation |
| animals that have body parts arranged in a circle around a center point | radial symmetry |
| animals with bodies that can be divided into right and left halves that are nearly mirror images of each other | bilateral symmetry |
| organisms that have no definite shape | asymmetry |
| organisms that cannot make their own food | heterotrophs |
| organisms that are able to produce their own food | autotrophs |
| organisms that remain attached to one place during their lifetime | sessile |
| sharp, pointed structureson the body of a sponge that are used to protect the sponge | spicules |
| animal that produces both sperm cells and egg cells in the same body | hermaphrodite |
| thin layer of tissue that covers the body organ's of a mullusk; secretes teh shell or protects the body of mollusks without shells | mantle |
| organs in which carbon dioxide is exchanged for oxygen in the water | gills |
| blood circulation system in which blood moves through vessels and into open spaces around the body organs | open circulatory system |
| tongue-like organ with rows of teeth | radula |
| blood circulation system in which blood moves through the body in a series of closed vessels | closed circulatory system |
| bristlelike structures used for movement and to hold onto the soil | setae |
| sac used for storing digested food | crop |
| muscular structure used for grinding soil and bits or organic matter | gizzard |
| jointed structures; includes legs, antennae, claws, and pincers | appendages |
| hard, outer covering that protects and supports the body of an arthropod | exoskeleton |
| process in which the exoskeleton is shed and replaced with a new one | molting |
| openings on the abdomen and thorax through which air enters and waste gases exit the insect's body | spiracles |
| process in which many insect species change their body form to become adults | metamorphosis |
| hollow, thin-walled tubes ending in suction cups that are used for movement in echinoderms | tube feet |
| network of water-filled canals used for movement, capturing food, releasing wastes, and exchanging gases in an echinoderm | water vascular system |
Created by:
lewisch
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