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What kind of rock do we find most fossils? Sedimentary Igneous or Metamorphic
Who stated that traits are acquired during a lifetime & passed on to its offspring? Darwin Lyell Lamarck
A____ is evidence of an organism that lived long ago. Stromatolites Fossil Prokaryotes Eukaryotes
The accumulation of adaptations over a long period of time is called_____?
T or F Fossils give a complete evolutionary record of the the past.
Structural features with a common evolutionary origin are called ____ structures (human arm bones & chimp arm bones). Homologous or Analogous
A body structure that has no function Homologous structures Vestigial structures Analogous structures Embryological structures
The wings of an Eagle and the wings of an insect. analogous structures homologous structures
Ostrich wings are… Homologous structures Vestigial structures Analogous structures Embryological structures
What type of selection favors long legged frogs? Directional Stabilizing Disruptive
The average individuals of a population are favored in _____ selection. Directional Stabilizing Disruptive
In ____ selection individuals with both extreme forms of a trait are at a selective advantage. Stabilizing Directional Disruptive
What type of selection? Robins feed on spiders; Large spiders are easily seen and eaten Small spiders are slow Average sized spiders survive Directional Stabilizing Disruptive
A pattern of evolution in which an ancestral species adapt to a different environment resulting in a new species. Divergent evolution or Convergent evolution
divergent evolution or Adaptive radiation
When unrelated species evolve similar traits Ex-Dolphin(mammal) and Atlantic salmon(fish) Divergent evolution or Convergent evolution
Con or divergent evolution Wing of a bird and wing of a bat (2 different species)
Con or divergent evolution: The same warning coloration shared by a Yellow jacket (insect) and Yellow humming bird.
Con or divergent: The fins of a fish and the fins of a dolphin
Con or divergent: The evolution of a horse, donkey and zebra from common ancestor
Con ordivergent evolution: Darwin's finches-common ancestor
Con or divergent: The evolution of polar bears from brown bears