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Definition
| an invertebrate with a solf, unsegmented body; most are protected by a hard outer shell |
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Definition
| the heart pumps blood into a short tube that opens into space where internal organs are; blood does not travel through blood vessels |
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| used to take oxygen from the water into blood |
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Definition
| a mollusk with a single shell or not shell |
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Definition
| a flexible ribbon of tiny teeth used to get food |
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Definition
| a mollusk that has two shells hed together by hinges and strong muscles |
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Definition
| will eat both plants and animals |
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Definition
| an ocean dwellig mollusk whose foot is adapted to form tentacles around its mouth |
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Definition
| an invertebrate that has an external skeleton, a segmented boy and jointed appendages |
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Definition
| hard outer covering made of chitin; used for protection and supports the soft inner body parts |
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Definition
| as it grows; it molts its old exoskeleton and grows a new one |
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Definition
| appendage attached to head that contains sense organs |
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Definition
| an arthropod that has two or three body sections, 5 or more pairs of legs and 2 pairs of antennae |
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Definition
| contains reproductive organs and part of digestive system |
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Definition
| a process in which an animal's body undergoes dramatic changes in form during its life cycle |
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Definition
| an arthropod with 2 body sections, four pairs of legs and not antennae |
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Definition
| an anthropod with 3 body sections, six legs, one pair of antennae and ususally one or two pairs of wings |
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Definition
| an arthropod's midsection to which its wings and legs are attached |
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Definition
| a type of metamorphosis characterized by 4 dramatically different stages |
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Definition
| the 3rd stage of complete metamorphosis in which an insect changes from a larva to an adult |
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Definition
| a stage of gradual metamorphosis that usually resembles the adult insect |
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Definition
| a type of metamorphosis in which an egg hatches into anymph that resembles an adult and which has no distinctly different larval stage |
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Definition
| a series of events in which food and energy are transferred from one organism to another |
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Definition
| the study of the relationships and interactions of living things with one another and with their environment |
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Definition
| 1st link of a food chain; a green plant able to make it's own food by photosynthesis |
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Definition
| an organism that depends on other organisms ( producer or another consumer) for its food needs |
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Definition
| breaks down dead organisms into simpler substances; returns nutrients back into the soil |
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Definition
| insect or animal that carries pollen among plants |
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Definition
| chemcial that kill pests insects |
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| a natural prediator or disease to fight harmful insects |
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Definition
| a radially symmetrical invertebrate that lives on the ocean floor and has an internal skeleton and a water vascular system |
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Definition
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Definition
| fluid filled, internal tubes that carry food and oxygen , remove waste, help with movement |
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Definition
| suction cup-like feet that squeeze together forcing water into structures |
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