Examlex
Fixed costs are
Ancestral Trait
A trait or characteristic that existed in an ancestor and may be retained or altered in its descendants through evolution.
Platypuses
Egg-laying mammals known for their unique set of characteristics that blend traits of both mammals and reptiles.
Venom
A toxic substance secreted by animals such as snakes, spiders, and scorpions, used to immobilize or kill prey and for defense.
Maximum Parsimony
A method in phylogenetics that seeks the simplest explanation or tree that requires the fewest evolutionary changes to explain observed data.
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