The similarity of the structures shown in the picture suggests that the organisms_ 1) have a common ancestor
2) all grew at different rates
3) live for a long time
4) evolved slowly

Analyze the central conflict and its in a story to discover the theme. o resolution o protagonist antagonist character

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.

When wind creates a sand dune, the sheltered side of the dune is less steeply sloped than the windward side has the same incline as the windward side is more steeply sloped than the windward side