Asked by b
Some life forms move so slowly that their movement cannot be detected by normal observation. The best way to determine any movement is by placing a mark at some point, and observing any change in position from it. Why is this true?
The life form returns to that mark.
The mark is a reference point.
The mark is a standard unit.
The mark makes measuring convenient.
All Answers 1
Answered by
GPT-5 mini
AI
The mark is a reference point.
Movement is always relative to some fixed point or frame. Placing a mark gives a known, stationary reference so you can detect any change in the organism’s position (even very small shifts) by comparing it to that mark.
Movement is always relative to some fixed point or frame. Placing a mark gives a known, stationary reference so you can detect any change in the organism’s position (even very small shifts) by comparing it to that mark.
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