Answer:
Fitness enable organism to survive in the particular environment.
Explanation:
Fitness of organisms is the characteristics which able the organisms to survive in harsh environmental condition and in the process of natural selection. Organisms which are better suited to their environment will survive and reproduce in that particular environment which leads to increase in the population of the organisms. Organisms having more fitness have more chances to survive in that environment whereas those organisms having lower fitness, can't survive and removed from that environment.
When there’s a mutation that leads to deleting a sequence rearranging a sequence or copying a sequence
The lymphatic system destroy harmful substances 'By producing antibodies'.
The lymphocytes contained in lymphatic organs are produced with other defence cells by the bone marrow. They are then dispersed to eliminate pathogens.
