C. calcium is your answer
Answer:
yo I cannot see the image
Explanation:
If they live in a river, they would most likely need fins (to swim) and gills (to breathe under water)
Hope this helps!
Answer:
A
Explanation:
As the species seperated they formed a differnt beak based on what they ate.
They often respond to Quorum sensing which is determined by the cell density. Bacteria cells secrete molecules that can be detected by other bacteria, Quorum sensing allows bacteria to sense the concentration of these signalling molecules to monitor the local density of cells. It used by bacteria to coordinate certain behaviors , such as the production of biofilms.
