D. an arctic fox is brown in summer and white in winter
1- B
2-B
3-C
4-B
5-A
6-A
I cant see the options for question 7, but here are the answers for 1-6. Hope they help!
Selective pressures created by environmental factors can lead to success of <span>mutual individuals. So it is D</span>
What makes studying people difficult is that you are yourself. You will always be different from other humans, so studying them naturally takes you out of your comfort zone
