The dorsal fins of sharks provide balance during swimming.

If you had used a tuning fork of 512 Hz with a speed of sound of 340 m/s, then the wavelength would have been:

Which patient requires immediate intervention by the nurse to decrease the risk for developing a deep vein thrombosis (DVT)?

Match the words or taxa on the left with the best answer from the dropdowns on the right.  Ocelli Manatees Latimeria Seals Cryptic Neuromasts Dugong Sea Otters Lungfishes Sea Lions

Spines are typically branched and segmented.  These characteristics allow them to provide protection and structural support.

Feathers are modified scales and their original function may have been thermoregulation or advertisement.

Many coral reef fishes have laterally compressed bodies, which may help them to avoid predators. The predator may lose track of its prey when these laterally compressed fishes quickly turn their bodies so that they point their narrow anterior or posterior profiles to the predator.

Which of the following is a function of the lateral line?

Find the derivative using differentiation rules 8.  

Select the two correct answers. The receptor for hearing is called the ________. When a sound is high pitched you know the soundwaves have __________.