Save Word. Definition of survival of the fittest. So preparing for all angles of what could happen is the smart move in this game. Hinke Survival of the fittest is a cold and heartless doctrine, unless you stop to think of the benefits of fitness.
First Known Use of survival of the fittest , in the meaning defined above. Learn More About survival of the fittest. Share survival of the fittest Post the Definition of survival of the fittest to Facebook Share the Definition of survival of the fittest on Twitter. Time Traveler for survival of the fittest The first known use of survival of the fittest was in See more words from the same year. The coronavirus infects cells by attaching to a receptor called the angiotensin-converting enzyme 2 ACE2 , which is present in many tissues throughout the body, including the respiratory tract and cardiovascular system.
This infection triggers a phase 1 immune response, in which the antibody-producing B-cells pump out neutralizing antibodies that can bind to the virus and prevent it from attaching to ACE2. This inhibits the virus from infecting more cells. During phase 1, the immune cells also produce cytokines , a group of proteins that recruit other immune cells as well as fight infection. Also joining the fight are killer T cells that destroy the virus-infected cells, preventing the virus from replicating.
If the immune system is compromised and works poorly during phase 1, the virus can replicate rapidly. People with compromised immune systems include the elderly, organ transplant recipients, patients with autoimmune diseases, cancer patients undergoing chemotherapy and individuals who are born with immunodeficiency diseases. Many of these individuals may not produce enough antibodies or killer T cells to counter the virus, which allows the virus to multiply unchecked and cause a severe infection.
Normally, there is a wide range of microorganisms, both harmful and benign, that live in harmony in the lungs. Slocum was not educated in a university, and his life has been in by-paths, and out-of-the-way places. The Spanish men-of-war, which were always painted white, had their colour changed to dark grey like the American ships.
Those best adapted to particular conditions will succeed in the long run, as in They've had to close a dozen of their stores, but the ones in the western part of the state are doing well—it's the survival of the fittest. This phrase was invented by Herbert Spencer in Principles of Biology to describe Charles Darwin's theory of natural selection of living species. By the early s it was being transferred to other areas.
New Word List Word List. Add survival of the fittest to one of your lists below, or create a new one. Compare natural selection. Survival of the fittest will determine which farms make it. Examples of survival of the fittest. The survival of the fittest might just be the survival of the steadfast instead. From Phys. And that is what ultimately counts in evolution: promotion of survival of the fittest.
From Huffington Post. That's what naturally, instinctively you want to do, because it's survival of the fittest. From CNN. That is to say, survival of the fittest brands, not the first brands, drives the market. From Fast Company. It also helped connect the evolutionary bridge from survival of the fittest to hunter-gatherer, and onto our more domesticated ancestors, our docile farmer cousins.
We do believe in survival of the fittest , after all.
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