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OOPS. Mark “communicate recommendations” 

The behavior of the listener and speaker taken together is described by Skinner as…? 

What do we call an explanation for a phenomenon that has been tested by numerous related experiments and revised hypotheses? 

Choose the best definition for the word “hypothesis.” 

Which of the sequences below is correctly ordered from smallest to largest classification level of life?

The blastoderm is the central fluid filled cavity of the blastula.

The pancreas, thyroid, and respiratory system originate from the:

A solid ball of cells resulting from the division of a zygote, and from which a blastula is formed, is called a:

A certain species of land snail exists in either a cream color or a solid brown color. Intermediate individuals are relatively rare. This is an example of:

One of the hallmarks of Darwinian evolution is variation among organisms.