If the only chordate characteristic that adult sea squirts possess are gills, why are they classified as a chordate?

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.

satellites are frequently used to make observations of the orbit on earth

i believe the answer is snake.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.