We did most of our work on a laptop computer that our school received from the museum in the classroom grant program. Algae- simple plants like seaweed. Channelization- to make a stream or waterway. Community- the plant and animal populations for a certain place. Food Chain or Web- when larger animals eat smaller animals that eat plants.
Plants are always at the bottom of the food chain or web.
Hydric Soil- soil that soaks up water quickly. A wetland is not a really a wetland without having hydric soil. Interrelationships- under the same group, having a common ancestor. Lake- a body of fresh or salt water that is completely surrounded by land and it has to be a certain size. A marsh should have no trees or shrubs or else it is not a marsh.