Mormon tea (Ephedra) from North America and Welwitchia from the Namib Desert of Africa are examples of _______.

Wave refraction is caused by ____.

Ocean in the climate system: Why is the ocean a dominant factor in the Earth’s climate system?  Give 4 global-scale reasons.  For each one, explain how the ocean affects climate. 

In short run economic analysis, which of the following forces causes price to move toward the equilibrium price when there is excess supply or excess demand?

A flower may have ____ pistil(s) and ____ carpel(s). 

All vascular plants have ______. 

Which of the following statements about microphyll is true?

An anterior drawer test (sign) is used to confirm a tear of which tissue?

The plant group with true vascular tissue, silica in the epidermis, whorled leaves and branches, but does not produce seeds is called ________.

Duchenne muscular dystrophy typically presents with what hallmark sign?