C.The unique role the species plays in an ecosystem .
Answer:
It is voluntary and striated.
Explanation:
There are three types of muscle tissues: skeletal muscle, cardiac muscle and smooth muscle. Skeletal muscle is a tissue that is under the control of the voluntary nervous system and attached to the bones by tendons. In the microscope, striated muscle cells have a stripe-like appearance, it is for that reason that they are called striated. Moreover, both cardiac muscle tissue and smooth muscle tissues are under involuntary control.
The process of mountain building is called Orogeny.
Answer:
A. Integumentary system
Explanation:
The integumentary system consists of the skin,hair and nail. This system consists of the largest organ in the body. The skin helps in protection against pathogens by shielding the internal body system from external objects.
The skin also helps in Vitamin D production through sunlight.
It also helps to prevent dehydration through regulation of water loss.
