In a plant, red flower color is incompletely dominant over yellow. what will the distribution of flowers in the f2 hybrids be if we start out with 60 f1 hybrids? the answer is- c. 1 red: 2 orange: 1 yellow

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.

i thinking chemical change