As the moon circles the earth, the shape of the moon appears to change. the shape varies from a full moon, when the earth is between the sun and the moon, to , when the moon is between the sun and the earth.

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

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.

Which phases do not always fill their containers? select all that apply a. solid b. liquid c. gas