When diet and health are adequate, is largely influenced by heredity. the onset of menarche height weight the onset of spermarche?

Height

Explanation:

The height is a good example of the genetic trait. This trait can be influenced by the environmental factors. For example, the child has inherited the trait of tall height from parents but the trait may not express in child and may get suppressed due to environmental factors such as poor nourishment or chronic illness.

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.

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick