A population of Polar bears started 900 in the late 1970's to around 2,100 today.
In the summer, the sun is causing the ice to melt, which is a huge problem for the polar bears survival , The was melting , which cause it to turn into water
Now, It is winter so the ice is getting more thicker and since polar bear has white fur they can camouflage with the snow , and they have a higher chance to get food
Introduction Slide
Principal #1 Genetic Variation
Genetic diversity and structure of the worldwide polar bears population have change amid a decline in sea ice habit.
Principal #2 Overproduction & the struggle for existence
Polar bears are scary predators in Antarctica, They have sharp and point nails to catch their food with and it helps the m survive, even their big heavy fur they have to keep warm.