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| animals without backbones |
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| Phylum of animals that sponges belong to. The animals in this group sit on the ocean floor and pump water through their bodies. The water goes through tiny pores in the outside of the sponge extracting nutrients and small organisms that it needs. |
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| tiny organelles that deliver a powerful sting |
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| phylum of animals like the jellyfish that use nematocysts to capture their food |
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| animals that have soft bodies and mantles |
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| animal has only one shell |
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| a type of slug that live in the ocean |
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| a container of plants and sometimes animals that is made to imitate a specific environment |
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| equal parts radiate from the center |
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| located on the underside of an echinoderm; feet that have tiny little suckers on them to help the animal stick to different surfaces. |
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| a type of echinoderm that eats whatever comes floating through the water i.e. plankton & any other tiny life forms |
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| something that can be divided down the middle and be the same on both sides |
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| an organism that lives and feeds on another organism. |
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| the living organism that a parasite lives on or in |
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| independent of other organisms |
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| hairlike structures that many segmented worms use to move |
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| an animal that has jointed legs, a segmented body with an exoskeleton, and antennae. |
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| a hard covering that acts like a knight's armor, protecting the arthropod's body. |
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| an animal that has jointed legs, had antennae, breathes through gills, and usually has some sort of claw. |
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| an arthropod that has eight legs and two body segments |
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| silk-spinning organ in the back of the spider |
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| an arthropod that has three segments (a head, thorax, and abdomen), three pairs of legs on the thorax and usually two pairs of wings. |
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| the process of becoming an adult through distinctive stages. |
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| the process undergone by many insects that includes egg, nymph, and adult |
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| the four-stage process consisting of the egg, the larva, the pupa, and the adult. |
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| animals that rely on the environment for warmth |
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| a bonelike substance that is softer and more bendable than bone |
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| a cold-blooded animal that lives in the water and on land. |
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| an animal that eats both plants and animals |
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| an animal that eats only plants. |
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| an animal that eats only meat |
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| animals that have a consistent internal temperature regardless of the environment |
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| an animal that eats mainly insects |
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| a technique used by some animals that involves making high-frequency clicks that bounce off objects and allow the animals to judge distance based on the time it takes the sound to return. |
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| a group of lions that live together |
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| a fatty substance that insulates some animals against cold. |
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