4. D
5. C
6.C
Hope this helps :)
I believe the answer would be C. pleas brainliest
Nervous System. Hope this can help
Infect to reproduce
Hope it helps you
Answer:
T o directly study bird predation on the moths, Dr. Kettlewell placed light and dark moths on the trunks of trees where he could observe them. He recorded the times a bird found the moth. Kettlewell also tested the idea that dark moths live longer in dark forests.
Explanation: