Which of the following is an example of a vestigial structure? A:Brain in a human
B:gills on a fish
C:Whale leg bones
D:tail on a monkey

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Individuals do not compete directly for resources, but are prey for the same predator

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