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2nd Hour: Libby Boster
The close external resemblance of an animal or plant to another
Process by which species of organisms undergo change over time
The principle that only organisms best suited to their environment
Organisms best adapted to a given environment
The action or process of adapting or being adapted
Change in the genes or chromosomes of an organism
Structures of different species having similar or corresponding function but not from the same evolutionary origin
Organ which is greatly reduced from the original ancestral form and is no longer functional
A change or adjustment in an animal or plants environment
Hide or disguise the presence
An organismic systemic response of an individual to a specific external stimulus in order to maintain homeostasis
Traveling from one place to another at regular times of year
The condition of being physically fit and healthy
Made by humans rather than occurring naturally
Process of change in the genetic composition of a population due to change