Which trait was selected for in therapod dinosaurs which led to modern day birds?
• Skeletons of a chicken and a velociraptor have
many similarities, it is probably a distant
relative
b) Feathers - for flying
a) Feathers - for warmth or mating
c) A wish bone - for flying

If you answer this i"ll give you brainiest and all these points me if you do i love you 7. a doctor is at work taking care of sick patients. she spends a few minutes trying to figure out why a particular patient is sick. she taps the patient's knee to test his reflexes. while she is examining him, the patient coughs on her. a) describe the function of the skeletomuscular system in this situation. (3 points) b) describe the function of the circulatory and respiratory systems in this situation. (3 points) c) describe the function of the immune system in this situation. (3 points) d) describe the function of the nervous system in this situation. (3 points) e) describe one way that any two of the doctor's body systems worked together in this situation. (3 points)

Which of the following is a testable hypotheses?

Which of these is not a nucleotide base found in dna?