Give four reasons of feeding animals

a balanced diet containing all the necessary nutrients, fluids, minerals, and vitamins. Proper nutrition gives your animals the vigour to grow, develop, and reproduce, and strong immunity to fight off infections. ... For instance, cattle have very different nutritional needs from pigs.

Explanation:

1) To get nutrients & be able to survive

2) To grow

3) To reproduce and keep the species alive

4) To be full of nutrients and have a smaller risk to get diseases

Explanation:

hope u understand

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.

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.