Ben bought two identical plants and placed them on opposite ends of his garden. after several days, he noticed that one grew taller than the other. ben wants to conduct an experiment to see why one would grow more than another. ben is in what part of the scientific knowledge process? observation hypothesis scientific question experimentation

Scientific observation

Explanation:

The reason for this is, Ben is observing the plants, coming up with questions.

Observation

Explanation:

Observation can be define as the process of visual examination, and monitoring on an entity, or process to derive a conclusion.

In this given example, Ben is likely to observe the plants to know the effect of planting them in corners.

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.

a symbiotic relationship with the mitochondria