Can someone help me out with the Lesson 6 self assessment unit test which

has 18 questions and 1 essay question

Nope!

However, if you post 3 or 4 questions that are giving you the most trouble, including what you've done so far and where you get stuck, a tutor may be able to help.

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I already took the test i"m now on the next lesson can you still help me with this one instead its the Reproductive And Development Of Organisms Test

I'm just stuck on number nine
1) A
2) C
3) A
4) C
5) D
6) B
7) B
8) C
9) ???