Can someone help me thank you!!

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Select the word from the list that best fits the definition a system made of 25 satellites

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%