Which characteristic of four different dinosaur fossils makes a dinosaur most similar to the present-day birds? flexible wrist flapping ability flight feathers primitive feathers

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

the electromagnetic energy from the sun arrives in the form of visible and invisible light.