| A | B |
|---|
| pond | a still body of water that is so shallow that rooted plants grow completely across the bottom of it |
| habitat | the place where a plant or animal lives |
| characteristics | a particular quality |
| species | a group of individuals having common characteristics |
| community | a place where different species of organisms interact and share the habitat |
| algae | simple plants |
| food chain | living things in a community arranged in the order of feeding |
| food web | network of interacting food chains in a community |
| cell | the smallest organized unit of life |
| producer | green plants and algae that make their own food using sunlight |
| consumer | animals that eat plants, algae, and each other |
| decomposer | bacteria and fungi that break down the remains of plants and animals when they die |
| ecosystem | all of the plants and animals combined with the physical environment of that area |
| oxygen | a colorless, tasteless, odorless gas in the atmosphere |
| fresh water | relating to fresh water not salt water |
| microscopic | organisms that are too small to be seen with the naked eye and must be observed under a microscope |
| prey | an animal that is eaten by predators (hunters) |
| predator | an animal that hunts and eats other animals |
| invertebrates | lacking a backbone |
| vertebrates | having a backbone |
| adaptation | the process by which a living thing fits into its habitat by changing |
