Which of the following best describes an ecosystem? a. all the living organisms in an area b. all the living organisms in an area and their physical surroundings c. a region with a distinct climate d. all the living organisms of the same species throughout the world

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

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

Which organism can most likely be classifild as domain bateria