Need help with a test 100 points real answers or i will report you.

#1. Tissue

#2. Homeostasis

#3. Positive feedback

#4. Negative feedback

#5. Distal

#6. Abdominopelvic

#7. Metabolism

#8. Covalent Bond

(Answering more in comments, making sure I get the points. Please let me know how many questions you would like me to answer.)

answer; i believe that the correct answer is (lung);

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".