An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately
size hence streams are little and rivers are bigger than streams because a stream connects between two or more rivers
mark brainliest please :)
Answer:
If it is still maintained in the human population, hemoglobin Lepore must be selected for in evolution.