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The Pakicetus was named by Gingerich & Russell in1981. Its height is 1.8 meters and has a length of 2 meters.  The Pakicetus is a mamal and is also a carnivor. It remains were found in Pakistan so thats were it is believed to have lived. Its life span is unknown but it lived in the Ypresian to early Bartonian periode in time

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Whales and Hippopotamuses shared anscestor the Pakicetus (extinct)

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Whales and Hippopotamuses shared anscestor the Pakicetus (extinct)

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The Hippopotamuses scientific name is Hippopotamus amphibious. Hippos are mamals and herbivores that eat mostly grass. They live to be about 40 years old. They're 10-14 ft long and wiegh about 1.5-4 tons. Hippos live in Africa they spend most of the time in the water but live and eat on land.

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Whales Closest Living Relative the Hippopotamus

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Whales Closest Living Relative the Hippopotamus

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( the image below is of a baby)

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The scientific name for Blue Whales is    Balaenoptera musculus. The Blue Whale is a mamal and is a carnivor that eats mostly krill. The Blue whale is 82-105ft long and wieghs about 200 tons. The Blue Whale lives up to 80-90 years and lives in Anartica in summer and migrates north in winter. Lives in water

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Ontogeny Recapitulates Phylogeny is a theory in science that states that evolution takes place in the embryo, this was later proved false

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Vestigial organs are organs that do not have any purpose but are there due to previous ancestors that required those organs.

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Physical traits shared by different organisms due to having the same ancestor

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Genetic drift is when genes in a population disappear due to the ones with the genes dying of or not reproducing.

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The change in the sequences of DNA, RNA and proteins.

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Convergent evolution is when two organism not closely related evolve simular traits do to having simular environments

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Parallel evolution is the independent evolution of similar traits from similar ancestor.

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Divergent evolution is when on group in a species starts to have changes which leads to a new species. This tends to happen when a group in a species is isolated from other groups.

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This when females and males choose mates because of there traits

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Migration is the movement of a species,group or organism. Migration leads to gene flow which is the crossing of genes from one population to another.

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Mutation is the change in DNA in an organism, which affects it appearance and physical ability. These changes can help/not help but if the mutation helps that organism has higher chance of producing offspring that have its mutation.

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The process of when a organism is better adapted  to its environment and produces off springs compared to organism that are less adapted and die off.

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Time

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Selection

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Inheritance

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Variation

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Variation=Mutation
Inheritance=DNA/Sexual Selection
Selection=Natural Selection/Genetic Drift
Time=Migration/Gene Flow