Several species or warblers can live in the same spruce tree only because they occupy different nitches within the tree. Hope this helps!
Answer:
a. to defend against bacteria
Explanation:The skin helps protect the body and various body cells from infection. A break in the continuity of a skin can result into harmful germs,bacteria infection penetrating into the body system. Hence the skin is a protective covering from germs,infection.
Mercury is 46 million kilometers away from the sun