Which of the following best describes a cladogram?
a. the goal of a cladogram is to show overall similarities and differences of species. b. the goal of a cladogram is to show relationships and evolutionary descent between species. c. the more closely related lineages are the farther the distance between them on a cladogram. d. a node represents the first point that two groups shared a common ancestor.

The process by which natural forces move weathered rock and soil brim one place to another is called

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f

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.