is the spice of lifeor is it?
Earth hosts millions of species in myriad formsa fraction
of all that have gone beforebut this riotous diversity
masks an underlying unity.
and tree, ant and elephant, bacterium and humandeep
down, were all alike. Our methods may vary, but we all
use energy and reproduce. As species, we all evolve. And were
all made of the same ingredientscells.
connect us not just to each other but to a common ancestor.
Were all ultimately variations on an ancient recipe,
passed on from generation to generation since life sputtered
out of a primordial soup.
there are many characteristics that distinguish living from
inanimate matter, the exhibits
in the Traits of Life collection focus on four defining features:
all life is made of cells and DNA; life makes more of its
own kind; life evolves over time; and life uses energy.