Answer:
Cooperative. (Ans. B)
Explanation:
Cooperative interaction is also called as mutualistic interaction. It is defined as an interaction where One that benefits the recipient other than the performing the behavior.
So, in this study a layer of purple photosynthetic bacteria is using sulfide as an electron source. Sulfide is oxidized by these bacteria, which grow in a layer above sediment from which you have isolated sulfate-reducing bacteria that generate sulfide during anaerobic respiration.
These bacteria's are showing cooperative interaction between each other. Where one species producing a product (sulfate reducing bacteria) that serves as food for other species (photosynthetic bacteria).
Answer: 33620
Explanation:
parenthetical instructions under CPT® code 33690 include thus: For right and left pulmonary artery banding in a single ventricle {for example, hybrid approach stage 1} , use 33620) and (Do not report modifier 63 in conjunction with 33690)
It closely resembles gases
hopes this helps,
Xeno
