Wegner observed evidence of fossils of the same plants and animals on separate continents which of the following best describes how do organisms end of thousands of kilometers away from each other

The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

Question#29: why does the tropical ocean have a greater temperature range than the temperate ocean?

The distribution of related animals and plants across the world