Which statement best explains why a fertilized egg develops into an organism that is structurally similar to its parents? a
inherited DNA sens messages to the brain
b
inherited DNA provides the code for making key proteins
c
the fertilized egg is nurtured directly by its parents
d
the fertilized egg obtains energy from the same sugars its parents utilize

mendel's first law states that during the formation of reproductive cells , pairs of hereditary factors for a specific trait separate so that offspring receive one factor from each parent.

explanation:

organisms that lack symmetry are called asymmetrical and belong to phylum porifera/sponges.

organisms with specialized stinging cells belong to phylum cnidaria. stinging cells are called cnidoblast cells.

cnidarians show two morphological forms : polyp (sessile) and medusa (mobile)

filter feeding is observed in porifera members.  

alternation of generation is observed in coelenterata or cnidaria. there is alternation of asexual polyp form and sexual medusoid form. it is also referred as metagenesis.

"d.) carbon dioxide and hydrogen sulfide"

satellites are frequently used to make observations of the orbit on earth