Abear population has genetic diversity. some of the bears have an allele that gives them thicker fur. due to climate change, the winters have gotten colder in their habitat, and the bear with thicker fur are more likely to survive in the the winter.
a) which type of bear is selected for in this ecosystem? why?
b) how will the allele frequency change in the bear population over time? why?
c) is this an example of natural selection? explain.

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

What organelle other than the nucleus houses dna in a eukaryotic cell?

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.