What is the difference between a temperature of 12f and a temperature of -5f?

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

How do limiting factors most affect population size? ostop population growthrestrict population growthincrease population sizeresult in positive impactso

What is formed when amino acids form long chains or polymerize