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.
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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