It is called as conservation biology. Conservation biology
aims to protect species, their habitats and the ecosystem from extinction. It is
one field of ecology that focuses on the environmental problems caused by
humans. It aims to reverse and understand the cause of loss of biodiversity.
D) Muscular strength.
She's trying to see how strong she is
Answer: Density-independent factor
Explanation:
The respiratory structure that comprises a cartilage as well as the ligaments would be the trachea which is the answer. The trachea which is known as windpipe is a tube connecting pharynx and larynx into the lungs allowing the air to pass through.