Which of the following is a reason to place birds into a class of their own?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.