6. Oxygen is absorbed by the lungs and diffuses directly into the bloodstream. Which two systems directly interact during this process? A muscular and skeletal C muscular and circulatory B circulatory and respiratory D respiratory and excretory

In a cladogram' when does a group of organisms branch off

I’m stuck on this question cuz i’m stupid sksksksk

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half