Predefined three-letter trade terms commonly used in international commercial contracts and bills of lading that define the obligations and risks of the parties are called:

Look at the image below. This image represents ___.  homologousstructures.png

Brain and nerve cells are dependent upon a steady supply of glucose.

Which of the following is a reproductive polyp with no tentacles?

The arrangement of body parts around a central axis or point is called ___. 

The image below represents the life cycle of ____.  aurelia life cycle.png

What is the name of the fluid filled cavity between the outer body wall and the gut?

Which of the following are examples of deuterostomes?

Look at the image below. This image represents ___.  vestigialstrutures.png

Which of the following represents sexual reproduction in sponges?