Which of the following make up our integumentary system? *

A. Skin
B. Hair
C. Finger nails
D. All of the above.

The large ground finch obtains food by cracking seeds. what is its short, strong beak an example? a) tendency toward perfection b) adaptation of a species over time c) selective use and disuse of an organ over time d) scarcity of recourses

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Each hereditary trait corresponds to