What are the six characteristics of living things

The seven characteristics of life include:

1.  responsiveness to the environment;

2. growth and change;

3. ability to reproduce;

4. have a metabolism and breathe;

5. maintain homeostasis;

6. being made of cells; and.

7. passing traits onto offspring.

a

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.