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Invertebrates
| Term | Definition |
|---|---|
| Cnidarian | A radially symmetry invertebrate that uses stinging cells to capture food and defend itself |
| Mollusks | An invertebrate with a soft, unsegmented body; most are protected by a hard outer shell. |
| Arthropod | An invertebrate that has an external skeleton, a segmented body, and joined appendages. |
| Exoskeleton | External Skeleton; a tough waterproof outer covering that protects supports and helps prevent evaporation of water from the body of many invertebrates. |
| Echinoderm | A radially symmetrical marine invertebrate that has an internal skeleton and system of fluid filled tubes. |
| Endoskeleton | An internal skeleton; structural support system withing the body. |
| Chordate | An animal that has a notochord, a nerve cord, and throat, poaches at some point in its life. |
| Notochord | A flexible rod that supports a chordate's back just below the nerve cells. |
| Vertebrae | An animal with a backbone. |
| Ectotherm | A radially symmetrical marine invertebrate that has an internal skeleton and a system of fluid filled tubes. |
| Endotherm | An animal whose body temperature is regulated by the internal heat the animal produces. |
| Fish | A vertebrate whose body temperature is determined by the temperature of its environment and that lives in the water and has fins. |
| Cartilage | A connective tissue that is more flexible than bone that protects the ends of the bones and keeps them from rubbing together. |
| Amphibian | A vertebrate whose body temperature is determined by the temperature of its environment, and that lives its early life in water and its adult life on land. |
| Reptile | A vertebrate whose body temperature is determined by the temperature of its environment, that has lungs and scaly skin and lays eggs on land. |
| Bird | A vertebrate whose body temperature is regulated by its internal heat, lays eggs, and has feathers, and a four chamber heart. |
| Mammal | An animal whose body temperature is regulated by the internal heat the animal produces, fur produce milk to feed young. |
| Mammary Gland | An organ that makes a female able to produce milk. |
| Monotreme | A mammal that lays eggs |
| Marsupial | Born at early age of development kept in pouch |
| Placental Mammal | Develops in body until able to function on own |
| Placenta | links mother to developing animal. |
Created by:
lsanderson14
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