Mollusks - Insects
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| These are invertebrates with soft, unsegmented bodies that are often protected by a hard outer shell. | Mollusks
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| A mollusks' thin layer of tissue that acovers its internal organs and an organ called a foot. | Mantle
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| This is where the blood is not always inside the blood vessels. | Open Circulatory System
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| Organs that remove oxygen from water. | Gills
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| Three major groups of mollusks. | Gastropods, Bivalves, and Cephalopods
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| The largest group of mollusks that include snails and slugs. They have a single external shell or no shell at all. | Gastropods
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| Some gastropods are this, animals that eat only plants. | Herbivores
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| Animals that eat only other animals. | Carnivores
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| Gastropods use this organ, a flexible ribbon of tiny teeth, to obtain food. | Radula
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| A second group of mollusks, includes oysters, clams, scallops, and mussels. They have two shells held together by hinges and strong muscles. | Bivalves
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| Most bivalves are this, animals that eat both plants and animals. | Omnivores
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| An ocean dwelling mollusk whose foot is adpted to form tentacles around its mouth, octopuses and squids. | Cephalopods
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| Invertebrates that have an external skeleton, a segmented body, and jointed attachments call appendages. | Arthropods
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| The major groups of arthropods.(at least 2) | Crustaceans, Arachnids, Centipeds and Millipedes, and Insects.
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| An arthropod has a waterproof waxy covering called this. | Exoskeleton
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| The process of shedding an outgrown exoskeleton. | Molting
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| An appendage attached to the head that contains sense organs. | Antenna
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| Arthropods with three body sections, six legs, one pair of antennae, and usually one or two pairs of wings (example - moths, caterpillers, plant hoppers, dragonflies, cockroaches, and bees). | Insects
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| Three sections of an insect. | Head, Thorax (midsection) and Abdomen
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| An insect with this has four different stages: egg, larva, pupa, and adult. | Complete Metamorphosis
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| Two types of Metamorphisis | Complete and Gradual
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| An insect with this has no distinct larval stage. An egg hatches into a stage called a nymph. | Gradual Metamorphosis
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| A series of events in which on organism eats another and obtains energy. | Food Chain
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| The study of food chains and other ways that organisms interact with their environment. | Ecology
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| An organism that makes its own food, a food chain starts with this. | Producer
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| An organism that obtains energy by eating other organisms. | Consumer
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| An organism that breaks down the wastes and dead bodies of other organisms. | Decomposer
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| An animal that carries pollen among plants is called this. | Pollinator
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| Chemicals that kill pests. | Pesticides
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| A natural predator or disease released into an area to fight a harmful insect. | Biological Control
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| Invertebrates with an internal skeleton and a system of fluid-filled tubes called water vascular system. | Echinoderms
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| An internal skeleton made of hardened plates. The skin of most echinoderms is stretched over this internal skeleton. | Endoskeleton
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| The internal system of fluid-filled tubes in echinoderms. | Water Vascular System
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| Portions of the tubes in this system con contrct or squeeze together, forcing water into structions. | Tube Feet
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| Theses are four major groups of echinoderms. | Sear Stars, Brittle Stars, Sea Urchins, and Sea Cucumbers
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