All vascular plants have ______. 

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

For a patient who is suspected of having a stroke, the most important piece of information that the nurse would obtain is    

A patient in the emergency department with sudden-onset right-sided weakness is diagnosed with an intracerebral hemorrhage. Which information about the patient is most important to communicate to the health care provider?

During angiosperm reproduction, double fertilization results in:

In Isoetes, which has a heterosporus life cycle, archegonia are produced by _____________.

Coastal New England and northeastern Canada are sometimes hit by hurricanes primarily because ____.

A 70-yr-old female patient with left-sided hemiparesis arrives by ambulance to the emergency department. Which action would the nurse take first?

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

Wave refraction is caused by ____.