evolution factors Flashcards
what is LUCA?
last common ancestor on earth that lived around 4 billion years ago
what causes evolution
passage through gentics between generations that causesdifferent individuals to be able to survive differently in different conditions
what is a mechanism for evolution that darwin suggested?
natural selection
what is the process of natural selection
species adapt and change over time in response to their environment it is inevitable.
what is required for natural selection (4 things)
variation, inheritance, selection, time
what is a phylogenetic tree
shows shared characteristics and can show family trees through the shared genetics. you can even build one of all different organisms.
the characteristics can be physical or sequence information from biological molecules
what is endosymbiosis?
the two key organelles in eukaryotes are derived from bacteria
mitochondria from proteobacteria and chloroplasts from cyanobacteria
what are the 3 domains of life on earth
bacteria
archaea
eukaryotes