6. Is it easier to exclude a suspect in a criminal case on the basis of DNA evidence, or it is easier to convict a suspect? Why is this the situation? When analyzing the DNA in a blood sample from the crime scene, why was it important that there were white blood cells in the sample, rather than having only red blood cells?

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Which muscle is responsible for inhalation ?

49 ! how are energy cycles and growth cycles related?