Which is the best topic sentence for this paragraph? Warm and sunny weather would be a necessary part of my utopia. To no longer have to deal with certain weather conditions would reduce stress. It is clear that a tropical setting would make my utopia a paradise.

Which of the following is a presentation cue? a. crossing your arms b. mumbling c. repeating words d. whistling

Summarize the work of famous environmental scientists of the past.

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.