Help me plz with this work

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

Which of the following explains why a tree is often used as a model to represent the principle of common descent

What is one reason why transpiration is important in plants? question 19 options: it produces food from the sugar in the plant cells. it enables the flow of water out of the plant. it produces carbon dioxide in the leaves of the plant.