Classify: A producer is an organism that makes its own energy, usually from sunlight. A consumer is an organism that gets energy by feeding on other organisms.
A. Which of the reef organisms in this Gizmo are producers?
B. Which of the reef organisms are consumers?
I

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters