Answer:
a mucus or a gelatinous sheath
Explanation:
Most species of cyanobacteria are enclosed in a gelatinous sheath which is made up of proteins.
Answer:
phylum Cnidaria
Explanation:
Cnidocytes represent a group of living organisms, whose members are Jellyfish, Sea Anemone, Hydra, Portuguese Caravel. Cnidocytes are found in the Cnidaria phylum.
Cnidaria, known in the past as coelenterates, are relatively simple animals with no circulatory and respiratory system, all of which are done through the diffusion process. They have diffuse nervous system and metabolism products are eliminated by mouth. The locomotion occurs through jets of water in the jellyfish and some polyps move slowly dragging or somersaulting.
yes, coral polyps are a keystone species. it would be a keystone species because it is important in order for the coral to thrive.
<span>uracil isnt found in DNA only RNA</span>
