Answer:
I believe the answer is C. Doldrums.
Explanation:
Hope my answer has helped you and if not i'm sorry.
The epidermis and the dermis
Short-term environmental changes cause changes in genetic makeup.
Short-term environmental changes do not happen suddenly with little warning.
Short-term environmental changes can occur in minutes to hundreds of years.
Short-term environmental changes do not affect organisms within an ecosystem.
Short-term environmental changes immediately affect organisms in the environment.
Answer:
Through their lungs.
Explanation:
They need lungs to take in oxygen and oxygen is vital for survival.
Coronary arteries supply blood to the heart muscle. Like all other tissues in the body, the heart muscle needs oxygen-rich blood to function. Also, oxygen-depleted blood must be carried away.
