Unit 4: Vocab Crossword

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
An event is identified by a sharp change in the diversity and abundance of multi cellular organisms.
A warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, that doesn't lay eggs
A vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises
a glacial episode during a past geological period
the rapid expansion of matter from a state of extremely high density and temperature that according to current cosmological theories marked the origin of the universe
symbiosis in which one of the symbiotic organisms lives inside the other
a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles, include the bacteria and cyanobacteria
an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. include all living organisms other than the eubacteria and archaebacteria
a solution rich in organic compounds in the primitive oceans of the earth, from which life is hypothesized to have originated
a method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample
a super-continent that existed during the late Paleozoic and early Mesozoic eras