Scientists discovered a new species of freshwater fish that lives in a pond with a very low o2 level. when they measured the oxygen extraction efficiency of the fish, it was twice as high as that of closely-related fresh water fish. answer the following questions. 1. propose a hypothesis to explain how the fish achieve a high o2 extraction efficiency

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Building glycogen from glucose molecules is an example of what

The cluster of developing cells from conception until birth is called an