The mass extinction that was most likely caused by the formation and retreat of glaciers was the extinction.
cretaceous-tertiary
end triassic
permian-triassic
late devonian
ordovician-silurian

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing