I think the answer would be B
sorry if not
They begin to form about 3.8 billion years ago
Answer:
hope this helps
Explanation:
Some Organisms Transmit Genetic Material to Offspring without Cell Division.In other words, a bacterial cell reproduces by simply replicating its chromosome and dividing into two daughter cells. The daughter cells that result from this division are genetically identical to each other and to the original parent cell.
Answer:
The gravitational attraction between the sun and Earth
Explanation:
because of the gravity.
Answer:
Specific immunity is also called as Acquired immunity and Anamnestic response
2nd option is the answer
lymphocytes recognize, attack and destroy a pathogen
