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elongated; taller than it is wide.
the tough connective tissue membrane surrounding bones on the outside. It contains nerves and...
the complete set of alleles (different forms of genes) making up the genetic material of a...
the widespread and rapid extinction of species in the present age due to negative human impact...
a species that helps scientists identify the age of sedimentary rocks.
small fluid-filled sacs that store, transport, or digest cellular products and waste.