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The History of Life on Earth (Macroevolution-broad pattern of evolution…
The History of Life on Earth
Macroevolution-broad pattern of evolution above the species level
Life on earth occured due to nonliving(abiotic) organic molecules synythesizing into amino acids and nitrogenous bases, lipids, and sugars
These organic molecules combined together to form macromolecules like protein and nucleic acids
These macromolecules then gained a membrane to create what is known a protocell
This all led to self replicating molecules that eventually made inheritance possible
Hydrothermal vents-areas on the seafloor where heated water and minerals gush from earths interior into the ocean. Noticeably hot, theorized to be where life started.
Alkaline vents-other deep sea vents releases high ph warm water where life forming has more suitable differences
Ribozymes-enzyme like catalyst RNA
Early RNA was possibly the first self replicating life on earth as it is more versatile.
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This was proven in lab experiments where its process was recreated
Phylogeny-evolutionary history of a species or groups or groups of species
systematics-a system on how we classify organisms and determining their evolutionary relationships
Taxonomy-how organisms are named and classified
Binomial-the two parts of a scientific name, the first part being the genus and the second being the epithet
Classification goes from specific to more general; species-genus-family-orders-classes-phylum-kingdoms-domains
taxonomic units are referred to as taxons
This evolutionary lineage can be shown by a branching diagram called a phylogenetic tree
each branching from one point into two represents the common ancestor becoming two new species
sister taxa are sister species that share a common ancestor other species dont similar to being sisters and being the only people in a family with the same dad
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