Which of the following statements about succession is correct? a) secondary succession occurs where no soil exists. b) primary succession occurs in areas where soil remains after a disturbance. c) secondary succession can occur where a disturbance has left soil intact. d) some cases of succession involve facilitation, a phenomenon in which local species inhibit the growth of newcomers. e) through successional dynamics, most communities will eventually become more stable through time.

Which type of bacterial reproduction is depicted in the diagram?

In what part of a chloroplast does glucose production occur? a. atp synthase b. photosystem ii c. photosystem d. stroma

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.