Which of the following is NOT a shared characteristic of all chordates?

Which of the following organisms has continual air flow across the surface of its lungs?

While snorkeling or skin diving, a student observes an active marine animal that has a series of muscular tentacles bearing suckers associated with its head. A pair of large, well-developed eyes are evident. The student is observing an animal belonging to the class:

An ancient archaic cell engulfed a cyanobacterium and allowed it to form a mutualistic relationship, because the cyanobacterium produced sugars that were usable by the archaic cell. The descendants of this archaic cell also inherited the cyanobacterial descendants of that first mutualistic cell, and thus were the first chloroplasts generated. This story describes a history of evolution which characterizes the ….

Lichens are a symbiote which involves a fungus that plays host to a….

Which statement about vertebrate circulatory systems is NOT true?

Your patellar ligament (which helps you raise and extend your lower leg as it attaches to your knee-cap and your tibia) is best categorized as what type of connective tissue?

What group of people are sometimes blamed for the collapse of the Bronze Age (whether rightly or wrongly)? 

what architectural feature is found at all Mycenaean palaces on the mainland? 

The Sacred Grove and Dance fresco might tell us the functionality/use of what architectural feature in Minoan “palaces”?