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chap.1:animals
| Question | Answer |
|---|---|
| what is a species? | a group of organisms that can mate w/ each other and produce offspring |
| are animals unicellular or multicellular? | multicellular |
| what is a tissue? | a group of similar cells that perform a specific job |
| what is an organ? | a group of different tissues that work together to perform a certain job that is complex |
| what is an adaptation? | a trait that helps an organism survive in its environment |
| what is prey? | the animal that the predator kills and eats |
| what is a predator? | an animal that hunts, kills and eats other animals |
| what is bilateral symmetry? | if there is a line that divides the animal in 2 and both sides are equal |
| what is radial symmetry? | an animal that has many lines of symmetry that all go through a central point |