| A | B |
|---|
| crustacean | Family of animals that crayfish belong to (also: shrimp, crabs, lobsters) |
| antennae | Used by crayfish to find food, shelter and avoid enemies |
| regeneration | Process of regrowing a missing body part |
| migration | Seasonal adaptation - animals (birds/whales) moving to new location for survival |
| molting | Process used by crayfish to shed exoskeleton |
| natural habitat | A place in nature where an animal lives |
| classroom habitat | Plastic trays providing temporary habitat for crayfish |
| stimulus | A change in environment that causes an organism to react |
| response | An organism's reaction to a stimulus |
| inherited trait | Trait passed down to baby from parents |
| acquired trait | Trait that resulted from life experience |
| population | The number of one kind of organism living in a place |
| sun | Original source of energy stored in food - needed to start all food chain |
| producer | Plant - able to make its own food |
| food web | A combination food chains (food webs made of food chains) |
| food chain | Diagram showing how food is passed from one living thing to another |
| adaptation | A physical trait or behavior that helps an animal survive (i.e. migration, hibernation, camouflage) |
| scavenger | Animal (such as a crayfish) that eats dead plants or animals |
| inference | An idea based upon passed experience, not observation |
| observation | Information gathered by using your senses |
| antennae | Used by crayfish to find food, shelter, avoid predators |
| consumer | Organism that eats food to get its energy |
