Examlex
What appears to be the effect of reduced calorie intake on rhesus monkeys?
Ecological Barriers
Physical, chemical, or biological factors in the environment that prevent species from dispersing to certain areas, limiting their distribution.
Biological Barriers
Structures and mechanisms that protect organisms from pathogens, toxins, and other external threats.
Energetic Barriers
The energy obstacles that must be overcome for a chemical reaction to proceed, related to the activation energy of the reaction.
Postzygotic Barriers
Reproductive barriers that occur after fertilization, preventing successful development, survival, or reproduction of hybrid offspring.
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