What is a defining feature of mammals that is not present in most other vertebrates?

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

What sre the effects of hemolytic disease of a newborn

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.