Exam (elaborations)
Biology 17.4 Evidence Of Evolution Questions And Answers Latest Update
- Course
- BIOLOGY 174
- Institution
- University Of Texas - Austin
Biology 17.4 Evidence Of Evolution Questions And Answers Latest Update
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Solution 2024/2025Pepper
Biology 17.4 Evidence Of Evolution Questions
And Answers Latest Update
______ is the study of where organisms live now where they and they
ancestors lived in the past ANS✔✔ Biogeography
Patterns in the distribution of _____ and living _____, combined with
information from ______, tell us how modern organisms evolved from their
ancestors. ANS✔✔ fossils, species, geology
Darwin realized that closely related species can evolve ______ adaptations in
different _______. ANS✔✔ diverse, environments
Darwin also realized that very distantly related species can evolve ______
adaptations if they live in similar _______. ANS✔✔ similar, environments
Darwin knew that for life to have ______ the way he thought it had, the Earth
must be very _____. ANS✔✔ evolved, old
_____ and _____ had argued that the Earth was much older than people
thought but they could not determine just how old. ANS✔✔ Hutton, Lyell
The discovery ______ and the technique of radioactive dating enabled
scientists to date rocks and determine that the Earth is about ______ years
old - plenty of time for evolution by _____ _____ to take place. ANS✔✔
radioactivity, 4.5 billion, natural selection
, Solution 2024/2025
Pepper
Many recently discovered _____, now show clearly how modern species
evolved from _____ _____. ANS✔✔ fossils, extinct ancestors
So many intermediate life forms have been found in the ____ ____ that it is
difficult to tell where one group begins and another ends. ANS✔✔ fossil
record
By Darwin's time, scientists had noted that the bones in all ____ limbs ______
each other to a surprising degree. ANS✔✔ vertebrate, resembled
Similar structures, like the bones of vertebrate limbs, that are shared by
related species and have been inherited from a common ancestor are called
_____ _____. ANS✔✔ homologous structures
_____ _____ explains the existence of homologous structures adapted to
_____ purposes as the result of ____ ___ _____ from a common ancestor.
ANS✔✔ Evolutionary theory, different, descent with modification
Similarities and differences among ____ _____ help determine how recently
species shared a _____ ____. ANS✔✔ homologous structures, common
ancestor
The key to identifying homology is ____ _____ and ______ during
development, not ____ _____. ANS✔✔ common structure, origin, common
function
_____ _____ are inherited from ancestors, but have lost much of their original
size and function. ANS✔✔ Vestigial structures
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