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.
The answer is A) An inner skeleton made of bone or cartilage. Vertebrates have a column of bones that supports the body and protects the spinal cord, while invertebrates are animals that either have a soft body or a hard outer casing covering their body.
Answer:
I would say the answer is C.
Explanation:
I chose A (which population most likely experienced a genetic mutation)
and got it wrong on Edg.2021
Answer:
In my words: A patern or guide to use to achieve a specific design, shape, or form.
From googIe: a shaped piece of metal, wood, card, plastic, or other material used as a pattern for processes such as painting, cutting out, shaping, or drilling.