Answer:
I believe the correct answer would be spem cells. Please mark brainliest.
Explanation:
This weak section of blood vessel is called an ANEURYSM. Aneurysm is defined as an excessive localized enlargement of an artery which is caused by the weakness of the artery wall. This weakness allows the artery to increase in size abnormally.
Only a tiny percentage of organisms becomes fossils. Soft-bodied organisms are the least likely to become fossils. Quick burial is almost always essential for remains to become fossils.
Hope this helps :)
The antibodies are very unspecific