Question 1
Which of the following results from the competition for sunlight in a plant community?
◦ varying heights of plants
◦ leaf orientation
◦ plant structure
◦ all of these
Question 2
Which of the following would be the first to appear following the abandonment of farmland in an oak-hickory forest?
◦ hickory trees
◦ oak trees
◦ annual weeds
◦ bushes