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Radiometric dating
________ and other methods can be used to estimate the ages of fossils.
I’m going back to the house to go to the gym with the girls for the night so I’ll let you know if you need anything or do I need to get something for dinner tonight and I will let you know if you need anything or not that I know what I want you know I’m sorry for that I know 12
I’m going back to the house to go to the gym with the girls for the night so I’ll let you know if you
Adaptive radiations
________ have also occurred in groups of species that possessed significant evolutionary advances or colonized new areas with minimal competition from other creatures.
organic molecules
The abiotic (nonliving) synthesis of small ________, such as amino acids and nitrogenous bases.
Plate tectonics
________ describes the slow movement of continental plates through time, affecting the physical geography and climate of the Earth, resulting in extinctions in some groups and speciation in others.
fossil record
The ________ demonstrates how new groupings of creatures can emerge through the progressive alteration of preexisting ones.
broad pattern of evolution
The term*** macroevolution*** refers to the sweeping changes in life on Earth as revealed by fossils of which the ________ is above the species level.
Natural selection
________ in a changing environment or species selection as a consequence of interactions between organisms and their present habitats can both generate evolutionary trends.
Fossils of microbes
________ that existed 3.5 billion years ago provide direct proof of life on early Earth.
Adaptive radiations
________ that occurred after catastrophic extinctions resulted in significant increases in biological variety.
