Six dears migrated, this is the answer because immigration and emigration are both acts of migration.
<span>When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different</span>
Answer:
In an eco-system, all animals and insects are important. Since there is no picture, I'll descibe what would happen. If a keystone species went missing or extinct, shortly after the rest of the ecosystem will callapse. The bird population would decrease because lack of food, shelter or environment, then those who feed on birds will slowly decline, then worms or insects that the bird was keeping in check, overpopulate. This can have disaterous consequences, not only for this specific ecosystem but for any.
The hormone is ANTIDURETIC HORMONE, ADH.
The collecting duct and the distal convoluted tubules vary in their permeability to water based on the quantity of ADH present. The collecting duct becomes more permeable to water when the ADH production increases. As the ADH production decrease, the urine volume increases. <span />