If keratin can be used for keeping warm, then what can be used for keeping warm? Answer choices: - keratin - vacuum - four limbs - energy - cold - engines - magic - heat
keratin

If fungi are the only organisms that can decompose pine trees, then fungi are the only organisms that can decompose what? Answer choices: - litter - pine - bamboo - matter - coal - maples - plants - elms
pine

If if an object is made of metal then that objects has the properties of the metal, then if an object is made of metal, what does it always share of metal? Answer choices: - size - energy - kinetic energy - Energy. - heat energy - shape - properties - friendship
properties

If macroevolution is evolution over geologic time at the genus level and above, then evolution over geologic time at the genus level and above is:? Answer choices: - microcosm - genetic - Plants growth - macroevolution - natural selection - gastropod shells - peachleaf willow - Plant reproduction
macroevolution