Answer: The sun
Explanation: Primary producers obtain their energy via the sun through the process of photosynthesis.
caudal fin lr sometimes is called tail fin
<span>The tendency for an object in motion to remain in motion is called inertia of motion. Meaning the answer is false.</span>
Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
Answer:
Explained below:
Explanation:
Type of homeostatic mechanism in the human body which is most common is the maintenance of body fluids, dilute and solutions of water that carry liquefied chemicals found in internal part of the cell and the surroundings of them. the internal part of the cells, it is named as intracellular fluid, the external part of the cells, it is named as extracellular fluid. All the materials such as oxygen, nutrients, proteins, and ions, are needed for survival.