Archaeopteryx had "teeth, three claws on each wing" similar to dinosaurs. So, most appropriate answer would be Teeth & Wings
Hope this helps!
Answer:
DNA is double stranded, and the strands are antiparallel because they run in opposite directions.
Explanation:
Each DNA molecule has two strands of nucleotides. Each strand has sugar phosphate backbone, but the orientation of the sugar molecule is opposite in the two strands.
Answer: living and fossil organisms evolved
Explanation: