b1a Environment and Genes
Lab 6 - Angiosperms
Archaebacteria and Eubacteria Bacteria are of immense importance because of their rapid growth, reproduction, and mutation rates, as well as, their ability.
Figure 8.1 The biochemical theory for the origin of life, as proposed by I. A. Oparin and J. B. S. Haldane in the 1920s. Biochemists have achieved steps.
16.1 Prokaryotic life began on a young earth. I. The Oldest Fossils A. Stromatolites- are thin layers of rock that contain ancient fossils B.Prokaryotes.
Fossils. The earliest clues about life on earth are about 3.5 billion years old!!!!
FOSSILS: REMAINS OR EVIDENCE OF ANCIENT LIFE REMAINS ARE PRESERVED WHEN BURIED BY SEDIMENTS QUICK BURIAL HELPS PRESERVATION SEDIMENTS PRESERVE HARD PARTS.
Though we cant be certain, scientists have suggested that the earth was very hot due to volcanoes and meteorites hitting the earth Sometime around 4.4.
1. Fossils 2. Geographic Distribution 3. Homologies.
Evolution and Ecology. The fur of the snowshoe rabbit changes to a lighter color in the winter. This allows the rabbit to blend in with its surroundings.
Bacteria & Virus
Cyanobacteria lecture
