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.
Hmm well diverting runoff water to prevent contamination of nearby water sources. Water treatment processes for surface water, process waters and other types of mining water. Implement a constant water management system both during and long after all mining efforts on the site.
I hope this helps you:)
It is c your answer for your questions
This means means that it's not as strong as a covalent bond. A hydrogen bond occurs in water when the oxygen, which is slightly more negative than the hydrogen, becomes attracted to another water molecule's hydrogen. ... On the other hand covalent bonds require the sharing of electrons between atoms.Jun 29, 2014
Only a fraction of the energy<span> available at one trophic </span>level<span>is </span>transferred to the next<span> trophic </span>level<span>; the fractions can vary between 1-15%, with an average value of 10%. Typically the numbers and biomass of organisms decreases as one ascends the </span>food chain<span>.</span>
