They show evidence of other life beyond us, when we see fossils they give is info that can determine other scientific data that is important for human life
Answer AND Explanation:
A steroid is an organic macromolecule that is biologically active with four rings arranged in a specific molecular configuration. Steroids are important components of cell membranes which alter membrane fluidity and act as signaling molecules. The two main types of steroids are corticosteroids and androgenic steroids like testosterone and estradiol.
Simple. exocine glands are found in the Adrenal. glands of dogs
