Answer:lack an epidermal covering, and their skeletons are composed of spicules of silica.
Explanation:
The spicules, which often form a latticework, have six points or some multiple thereof. Glass sponges are pale in color and are cup- or basket-shaped.
the process of organogenesis is of differentiation of the germ larger into organ and organ system. The germ layer which is a group of cells interact with each other as embryo develops and contribute to formation of all organs and tissues.
C6H12O6 + 6O2 - > 6CO2 + 6H20 + Energy
An allele simply refers to a variant form of a gene. Alleles are vital to the phenotype of an organism.
Your information is incomplete. Therefore, an overview of alleles will be given. An allele simply means the forms of a given gene variant. Alleles are genetic sequences. They code for the transmission of traits.
Alleles are the variant forms of genes which are located in the same position. The changes in allele frequencies can show that genetic drift is taking place or the introduction of new mutations.
Ear more about allele on:
brainly.com/question/3452155
