Answer:
7. "male" should be "males"
8. "large" should be "larger"
9. "less" should be "least"
Step-by-step explanation:
7. The word should be plural because it's talking about more than one male.
8. "Large" should be "larger" because it's comparing two things.
9. "Less" should be "least" because the sentence is comparing most likely 3 or more things.
I hope this helps!