Chapter 9v Word Scramble
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Term | Definition |
Vertebrate | Animal with a backbone |
Endoskeleton | Skeleton inside the body |
Invertebrate | Animal without a backbone |
Exoskeleton | Skeleton on the outside of the body |
Pores | Tiny openings |
Poriferan | Invertebrate animal with pores |
Spicule | Small, hard, needlelike structure of a sponge |
Cnidaria | Invertebrate animal with stinging cells an a hollow central cavity |
Polyp | Cup like form of a cnidarian |
Medusa | Umbrella-like form of a cnidarian |
Platyhelminth | Type of worm with a flattened body |
Parasite | Organism that gets its food by living on or in the body of another organism |
Nematode | Type of worm with a round body |
Annelid | Type of worm with a segmented body |
Setae | Tiny, hairlike bristles |
Closed circulatory systems | Organ system in which blood moves through vessels |
Mollusk | Soft-bodied organism |
Mantle | Thin membrane that covers a mollusk's organs |
Radula | Rough, tonguelike organ of a snail |
Echinoderm | Spiny-skinned animal |
Water-vascular system | System of tubes used to transport water |
Tube feet | Small structures of Echinodermata used for movement and feeding |
Regeneration | Ability to regroup lost parts |
Arthropods | Animal with an exoskeleton and jointed legs |
Chitin | Hard material that makes up the exoskeleton of arthropods |
Open circulatory system | Circulatory system in which blood does not flow constantly through tubes |
Molting | Process by which an animal sheds its outer covering |
Antenna | Structure used for touch, taste, and smell |
Thorax | Middle section of an insect's body |
Abdomen | Third section of an insect's body |
Spiracle | Opening to an air tube of a grasshopper |
Tympanum | Hearing organ in a grasshopper |
Metamorphosis | Series of development changes of an organism |
Larva | Immature stage of many animals that usually looks different from the adult form |
Pupa | Resting stage during complete metamorphosis |
Cocoon | Protective covering around the pupa |
Nymph | Young insect that looks like the adult |
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