Answer: Transformation of one thing to another follow cyclic pathway.
Explanation:
In biology the arrows are used to show the conservation of one form of energy into another form. This can be seen in the cyclic pathways in which transformation of one thing occurs into another thing. For example the concept of metamorphosis in insects involves the conversion of transitional immature stage into adult insect by egg, pupa, larva then into adult insect this growth can be represented by the series of arrows.
Answer:
Evolution of species over a long duration happens due to adaptive learning of organisms in new environments. If the organism is flexible in different physiological environments, it will evolve. The metabolic processes change according the environment to an extent. Like breathing at a high altitude when Oxygen content is less.
Human gestation time is 40 weeks or 280 days
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