| A | B |
|---|
| adaptation | inherited trait that helps an organism survive |
| symmetry | a mirror image of parts of an organism |
| trait | a characteristic of a living thing |
| regeneration | the ability to regrow a missing body part |
| parasitism | when one organism gets something from another organism, and the other is harmed |
| mutualism | a relationship in which both species benefits |
| commensalism | a relationship in which one species benefits and the other is not harmed or hurt |
| metamorphosis | process that some organisms go through when they change from egg to adult |
| carnivore | an organism that only eats meat |
| metabolism | all the chemical changes that happen in a living organism |
| omnivore | an organism that eats both plants and animals |
| symbiosis | cooperation between members of two or more species |
| vertebrate | an organism with a backbone |
| invertebrate | an organism without a backbone |
| habitat | the place in which an organism lives |
| fertilization | one step in the way organisms reproduce sexually |
| exoskeleton | external supporting structure |
| endoskeleton | internal skeleton that provides internal support for vertebrates |
| niche | specific role played by an organism within its community |
| herbivore | animal that feeds on plants |
| sexual reproduction | process involving two parents (male and female) |
| asexual reproduction | process involving only one parent |
| cellular respiration | chemical change occurring inside body cells in which oxygen combines with digested food and releases energy |
