If two species have very similar structures, they have evolved from a

Apart of an ecosystem that can restrict the growth of a population is referred to as

According to this food web which of the following would be considered primary consumers

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