Answer:
There are biotic factors which are living things or things that used to be living(fish, birds, etc), and abiotic factors which are things that are not alive and have never been alive(rocks, water, etc).
Explanation:
Anti- inflammatory combined with a local anesthetic that offers short term pain relief for degenerative disc disease. So a positive effect , in some cases saline can flush out chemicals that can cause the inflammation providing even more pain relief.
The correct answer is option C, that is, the presence of the nuclear membrane.
Cyanobacteria is a phylum of bacteria that attain their energy via the process of photosynthesis, and are the only photosynthetic prokaryotes possessing the tendency to generate oxygen. As a prokaryote, they are devoid of the nuclear membrane.
Euglena refers to a single cell flagellate eukaryote. It comes under the class Euglenoidea. The species of Euglena are witnessed in salt water and in freshwater. Being a eukaryote, they possess nuclear membrane.