Answer:
Decrease in available living space
Explanation:
If there is no living space left there will be a decrease in the amount of organisms that can live there
Because Precambrian rocks are in short supply, hence fossil evidence is harder to find.they only discovers sections of some Precambrian rocks there were no bones or shells to be permineralized.
Answer: Pelvic and sternum
Explanation:
bone marrow biopsy is a procedure that is used to obtain bone marrow usually with syringe for evaluation of various blood cells( leucocytes, erythrocytes ) and also for examination for different blood disesases such as leukemias and lymphomas and diagnose some genetic conditions. The common site for a bone marrow biopsy is the large pelvic bone near the hip and also some samples taken from the sternum (breastbone).
A bone marrow examination or test consists of two separate tests that are done at the same time namely:
1. Bone marrow aspiration that helps collect sample of the liquid portion of the bone marrow
2. Bone marrow biopsy that obtains a sample of the solid material.
Vessel spasm; coagulation; plug formation. I think??
