Which of these changes in today's world is a product of advances in biology?
a-increased crop yields
b-invention of laptops
c-increased use of plastics

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this