Preterit vs Imperfect Correctly indicate if the sentence requires a conjugation in Preterit or Imperfect:   Cuando era joven, mi madre ___________ (hacer) ejercicio todos los días.

Aldosterone is secreted by the _____  

What is the benefit of asexual reproduction in protists?  

Which of the following vessels drain blood from a capillary bed?   

An individual is born missing parts of the epidermal layer as well as hair. The problem began during development with which of these germ layers?  

What is the primary distinction between protostomes and deuterostomes?  

The dikaryotic cells of a fungus contain _______    

What is the definition of a gametophyte?  

The characteristic that is common to all Cnidarians is:    

Cells occur singly and have a nucleus and other organelles, including chloroplasts. These cells move with flagella.  They are ______