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
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Hox genes are a group of genes that determine the basic structure and orientation of animals.
A chemosynthetic bacteria is a producer. Chemosynthetic bacteria produce energy by using chemical reactions similar to photosynthesis but without the light as a catalyst. A chemosynthetic bacteria can produce organic molecules (i.e. glucose) from inorganic molecules just like photosynthetic organisms.
Isotonic is a solution that is equal in water and solutes hypertonic solution is a solution that contains a lot of solutes then the hypotonic solution is a solution that has very little solutes
Ok the hemophilia is a recessive disorder found in the X chromosome of males abd females. For an example Patricia is a healthy carrier of hemophilia and that is for another example Sam is completely healthy then Patricia hope that helped
Answer:
four
Explanation:
Carbon atoms have four electrons in their outer shell. So, it exhibits tetravalency & thus, a single carbon atom can form a maximum of four (4) bonds with other atoms
