Examlex
Most evolutionary "branches" on the tree of life can read like the story of stepwise challenge and evolutionary innovation.For example,a cuticle solved the problem of maintaining moisture in the first terrestrial plants.Outline and explain the steps in the evolution of terrestrial vertebrates that lead to the evolution of mammals.
Acute Viral Disease
A disease of sudden onset and short duration caused by viruses, such as the flu or common cold.
Nervous System
The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, enabling responses to internal and external stimuli.
Ingestion
The act of taking substances, typically food or medication, into the body through the mouth for digestion.
Chemical Burn
Tissue damage caused by exposure to a corrosive substance, which can affect the skin and mucous membranes.
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