because killer whales produce a hormone called brominiam, and that increases their biomagnification rate by almost 100%. This is why killer whales arent everywhere in the world.
high
Dolphins and whales have dorsal fins, blubber, and a high heart rate that keeps them warm.
Killer whales, or Orca, are warm blooded like all mammals.
Demographic transition
if birth rate continues our world will become over populated!
No, it is actually the opposite. A high birth rate and a low death rate leads to increased populations.
this is because the have a lower rate of contreseption use
because
because it has such a high death rate - HIV/ AIDS as well as relatively high child mortality rate
The average birthrate is -.2%
high or increased birth rate.