The author of passage 1 would most likely characterize the claim of the detractors mentioned in passage 2 as

What kinds of antigens are found on the rbcs of a person with a+ blood

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Match each fossil with the layer where it’ll be present based on those conditions.