Relating to or characterized by external forces that shape the form and structure of an organism or object.
From Greek 'ekto-' (external) + 'dynamis' (power, force) + 'morphe' (form) + '-ic' (relating to). This technical term emerged in evolutionary biology to describe how environmental pressures literally mold organisms' physical forms.
Your body shape is partly ectodynamomorphic—the environment actually shapes you, which is why desert animals have different body proportions than forest animals, even within the same species!
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