QUICK!!! PLEASE HELP!!!!
I WILL GIVE BRAINLIEST IF YOU ARE CORRECT!!!!!!!!!!!!!
Which of these is an example of a physical variation?
A. Tigers have stripes, but lions do not.
B. Penguins do not gather sticks to make nests.
C. Porcupines reproduce sexually to pass on their genes.
D. Mushrooms often are found growing in damp environments.