Porcupines have long sharp hairs called quills. What is the main function of the quills on the porcupine? -to find shelter

- to protect itself

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

Biology ! the conversion of inorganic carbon to organic carbon by plants during photosynthesis is known as _[blank]_. filtration immigration reabsorption primary production

Give examples of selective advantage of organism’s body part/organ