Which of the following is not a theory for the dinosaur extinction?

dinosaurs were allergic to pollen

increased radiation levels

diseases from other animals

none of the above

Which element is found in both dna and proteins

What would happen if the krill were removed from the food web

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger