BIOL 1202 : Exam 1 Study Guide
Document Summary
Coevolution: when two things change over time. Parasitic relationship: when one suffers while the other one benefits, humans and e coli. There are about 10 million species on this planet. The earth is about 4. 6 billion years old: determined by using radiometric dating, homo sapiens have been on the planet for 180,000 years. Now there are 3 domains: (created by carl woese: bacteria (prokaryotic, archaea (prokaryotic, eukarya, animals, fungi, plants, protists. Cells in the human body: 50 trillion cells make up the human body, cell theory: all cells come from pre-existing cells. Carl linnaeus: created the classification system, created the binomial: two-part format of the scientific name (genus and species) Dear king phil came over for good spaghetti. Biological species concept: when two organisms breed, they reproduce something similar: exception: hybrids, dogs and cats are different species, so they can"t produce offspring, this is not true for asexual species.
