Question

which of the following describes all animals? a. all animals have back bones. 2. all animals are multicultural. 3. all animals control their own body temperature. 4. all animals are vertrbrates.

Answer 1

All animals have back bones. The answer is letter a. The muscle is a soft tissue found in most animals. The cells in the muscle contain protein that produces a contraction that changes both the length and shape of the cell. They are responsible for the movement it produces in the human body