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Each of the following structures is derived from the neural crest EXCEPT:

During the 4th-8th weeks, all major organ systems begin to develop from the three germ layers: Ectoderm, Mesoderm, and Endoderm

The fetal part of the placenta is formed by the:

Amniocentesis is commonly used to

Primary oocytes remain dormant in ____ of Meiosis I until ___.

At the end of the 1st week of development, the trophoblast differentiates into which two layers:

The addition of nutrients (fertilizer) caused [ans1] the abundance of benthic algae (Fig. A).

When the wave is in 8 meters of water, what is the celerity or wave speed?  Answer in (m/s) to 2 decimal places.  NOTE: This question has been converted to EXTRA CREDIT.  The question appears to be worth 0 points, but if you answer correctly you may earn up to 2 points of EXTRA CREDIT.

The addition of nutrients caused [ans1] the abundance of meiofauna (Fig. B).

At the beginning of the semester, we started our class in  in the first lecture by making observations of the oceans from the Wasson Seaview Terrace and coming up with questions you had about the ocean.  Think back to your questions and explain any more information you have gotten to answer one of your questions about the ocean.