emigration
by plants moving
Gene flow is genes moving between two populations. the transfer of genes from one gene pool to another two populations transferring genes
ask mr. dollarhide
The range of frequency of sound that coal trains emit when moving hovers around 20 Hz to 20,000 Hz
moving border
abduction
The peregrine falcon is the fastest moving bird that kills its prey in flight. These beautiful falcon have be reintroduced to many areas to control pigeon populations.
Appalachian Mountains
yes
Hypermobility.
Active range of motion is when a joint is moved through its range with the person moving the joint him or herself. Passive range of motion is when something besides the muscles of the joint does the moving. So if I were to bend someone else's knee (and they didn't help) it would be passive range of motion. But if the person just moves his or her joint, then it is active.
Only the Florida subspecies is endangered. Generally, populations are quite healthy in most areas of their current range.