Jurassic period of the Mesozoic era is characterized by
Gymnosperms are dominant plants and first birds appear
Radiation of reptiles and origin of mammals like reptiles
Dinosaurs become extinct and angiosperms appear
Flowering plants and first dinosaurs appear
Which one of the following sequences is true
According to Hardy-Weinberg principle, difference in the values of measured and expected allelic frequencies indicates all of the following, except
What is evolutionary biology ?