Hello and good evening! I would greatly appreciate if someone would help me figure out this question. It is related to Traits and Heredity. Thanks in advance! How could you find out if an organism's trait is inherited or learned?
Check all that are true.

decide if the trait is harmful for the organism

observe the traits of the organism's children

decide if the trait is helpful for the organism

observe the traits of the organism's parents

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.