It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is important to maintaining the stability of an ecosystem, and any changes in the keystone species population shows that there is changes in ecosystem health.
Nope it’s always the uppercase letter first then the lowercase one
An easy way to tell is if the trait is or isn’t in every generation. If a trait skips a generation, it’s most likely recessive.
It is like a animal migrating because it is like hibernating because it doesn't get any food or water in winter.
