7. in which environment would well-sorted sediment be present
a. in beach sand deposited by waves
b. in a small mound formed by a rockfall
c. in sediment left behind after a glacier melts

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.