Which of the following is a type of Ecotone? Sharp Boundaries
Keystone Species
Community Complexity
Random Distribution
Species Diversity
None of these are correct

What is the one part of the nucleotide  that differs among the other different nucle  tides?

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.

Where are chlorophyll molecules located within the chloroplasts?