Ling is doing a science project. She likes to exercise. She wants to find out about heart rates. She wants to see how long it takes for heart rates to slow down to normal after exercise.

The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.

Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces

Draw the structure for 5-isopropyl-2-methyl-3-nonene