B is the answer. Sharks need salt water to survive to make the breathing and blood pump through their bodies.
Answer:
Basically, the pour plate technique can be used to determine the number of microbes/ mL in a specimen. It has the advantage of not requiring previously prepared plates, and is often used to assay bacterial contamination of food stuffs.
Explanation:
Answer:
Sickle cell disease is caused by a mutation in the hemoglobin-Beta gene found on chromosome 11. Hemoglobin transports oxygen from the lungs to other parts of the body. Red blood cells with normal hemoglobin (hemoglobin-A) are smooth and round and glide through blood vessels.Explanation:
D. Organisms specialized for living in a particular niche.
I'd say B or D..technically higher salt levels are caused by evaporation. so probably B