Fill in the Blanks SCIENCE-GUIDE 4 EVOnline version MOTION AND ECOLOGY EV GUIDE 4 POINT 6 by lina berardinelli 1 BIOMASS MOTION ECOLOGICAL RULER MATTER TROPHIC OPPOSITE WIND ENERGY METRIC CHRONOMETER ECOSYSTEMS IS THE MOVEMENT FROM ONE PLACE TO ANOTHER . IN ORDER TO KNOW HOW LONG YOU TAKE TO GO FROM YOUR SCHOOL TO YOUR HOUSE , YOU CAN USE A BUT IF YOU WANT TO KNOW THE DISTANCE YOU WILL NEED A . MOTION DEPENDS ON SEVERAL FACTORS LIKE , AND WATER . TO MAKE SOMETHING STOP ITS MOTION , YOU WILL NEED TO APPLY AN FORCE . ALL OF THE WE KNOW WORK THANKS TO THE RELATIONS THAT BIOTIC AND ABIOTIC FACTOR HAVE . PYRAMIDS SHOW THE AT EACH LEVEL GIVEN ECOSYSTEM . BIOMASS REFERS TO THE AMOUNT OF ORGANIC PRESENT IN AN ORGANISM .