Answer:
Explanation:
Graves' disease is an autoimmune disorder in which antibodies produced by your immune system stimulate your thyroid to produce too much T4. It's the most common cause of hyperthyroidism. Hyperfunctioning thyroid nodules (toxic adenoma, toxic multinodular goiter or Plummer's disease).
Answer:
c. population
Explanation:
biosphere includes different species and a broad ecosystem
ecosystem is different species
environment refers to a just the type of ecosystem such as aquatic environment