Answer:Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned fish of the vertebrate class Sarcopterygii. Species within the genus Ichthyostega (members of the Labyrinthodontia subclass) are considered by some scientists to be the earliest amphibians.
Explanation:
The studies are designed this way b/c it removes the power of suggestion and the double-blind study keeps both researchers and participants in the dark. So this compared to who is receiving the treatment which is relevant b/c it stops the researchers from accidentally overbalancing the study participants, or unintentionally favoring their assessment of the conclusions.
Answer:
the cisterna chyli is the dilated origin of the thoracic duct, which receives the right and left lumber lymphatic trunks and the intestinal lymphatic trunk.
Answer: The name must include the genus and species of the new organism. [It must be written in italics with the species name lowercase]
