The answer would be antibody production
<span>Replace the concentration descriptions with actual values.</span>
Answer:
A.They created a record of life on Earth.
B.They grouped organisms by their similarities.
C.They grouped organisms by the period in which they existed.
Explanation:
Did the test hope this helps
I think it is all of the above but you might want a second opinion.
Answer: mucilaginous sheath
Explanation:
