Ecosystem Terms. Please copy these terms and definitions in your science notebook. 1. Ecosystem : a community that includes all the living things found in a certain area and how they relate to each other.
Organism or NOT?
Which organisms are NOT aquatic?
Which organism is NOT terrestrial?
Please copy these terms and definitions in your science notebook.
22. Variable: an element in an experiment that can be changed
24. Niche: the role an organism plays in their habitat
25. Sediment: small pieces of rock, plant and animal material that are carried by water, wind or ice
27. Stable: steady, balanced
28. Controlled Experiment: a scientific investigation in which one variable is changed and all the others are kept the same or constant