Answer: Spleen
Explanation:
The Spleen is an organ situated above the stomach and carry out important functions for body defence. This functions include:
- destruction of old red blood cells
- elimination of wastes such as dead platelets from the bloodstream
- storage of newly formed platelets.
Answer:
A major change to the Linnaean system was the addition of a new taxon called the domain.
Explanation:
Answer:
after reading the comments I can conform that the first one is correct
Explanation:
I had a similar question on a test
Explanation:
Denitrification is basically a biochemical phenomenon where nitrate is used by the bacteria living in the soil for the process of their respiration instead of using Oxygen from the air, consequently, the nitrates are converted into nitrous oxide and nitrogen gas. The process of denitrification is accelerated mostly in the wet and warm soil where there is lot of nitrate available.
This process is exhibited by Alkaligenes, Pseudomonas and Bacillus etc. Most of the bacteria involved in this process are facultative aerobially heterophs who has the ability of switching to denitrification from normal respiration when they find that the normal oxygen is running out.
