In one species of bird, there are three varieties of feather color. What is this an example of? ecosystem diversity
species diversity
genetic diversity
color diversity

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 statement best describes the role of religion and culture in ancient medicine?

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area