Central and south america - list and describe a specific example of an ocean or river and how it was a barrier and/or roadway.

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph

Where is the vascular system located

What is the amount of organic matter in all living organisms in a habitat called?