Unfortunately this question is incomplete as it is a multiple choice question. The following options are provided:
<span>A) body cavity between body wall and digestive system
B) number of embryonic tissue layers
C) type of body symmetry
D) presence of Hox genes
E) degree of cephalization
The answer is D: presence of Hox genes
</span>
Hox genes are a group of genes that determine the basic structure and orientation of animals.
In sexually reproducing animals, once fertilization of the egg takes place, the ___________ exists as a single cell until cell division begins.
D) zygote
The temperature of the plasma gasses cools. This is because the gases lose some of their energy into light photons that disperse into space. When the plasma gases get cooler gases to become denser and sink to the bottom of the convection zone and are replaced from upwelling hotter plasma gas. The temperature at the bottom of the convection zone is approximately 200,000° C while that at the surface is 5700° C.
The patient hiding food in clothing or personal effects. Food falling off the plate onto the meal tray. Food remaining in the cheeks under the tongue. The assistant taking food from the patient. WRITE IN UR WORDS!!
