<span>A low level of TSH is indicative of hyperthyroidism. This is a medical condition in which the thyroid gland secrets or produces an excess of hormones resulting in an imbalance. This condition if left untreated can cause many undesirable effects such as muscle weakness, low quality of sleep etc.</span>
A keystone species helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether.
The Incubator made it possible to maintain a controlled environment for cell cultures because most modern incubators act as a petri dish but in a more controlled state.
