A group of atoms bonded together
1.Hirsutism
2. Seven
3. SeaHorses
Answer:
The first line of defence includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Explanation:
the best organism for that would be grass because it collects water and sun energy and shares the energy with other organisms.
hope this helps you good luck.!!!!