Yes it is AB because a blood test or either AB or type O is more informative
Answer:
Wolves and coyotes will compete for resources and the coyote population will decrease and wolves might decrease from competition as well. The increase of predators (wolves and coyotes) will cause the raven population to go down. If the raven eat grass then the grass population will go up becuase more ravens are getting eaten= no one eating grass.
Explanation: