my dog loves to play fetch so much so that when she finished she started limping why is that? does my dog just like fetch so much, or is it just my dogs instinct

Name the organs of humanelemintary canal.

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

How would this hypothesis different from the scientific law a. increases gene flow b. eliminates fixed alleles c. allows divergence to occur d. stops adaptive radiation