homologous
similarities in a body structure
forelimbs in a body structures
structures of organ that has gotten smaller
wisdom teeth, tail bones
similarities in vary early development
the embryos of all vertbrates
similaritys in DNA
the closer two species are the closer there DNA matches up
preserved remains or traces
we have fossil remains of several human ancestors
structures that are similar in different species due to common ancestry
forelimbs of humans, whsles and bats
what is a vestigial structures
stuff we have we no longer use
embryo evidence
the studey of early stages of life
remains or traces of orgamisms from the past that provide insight into the history of life on earth
Dinosaur bones found in sedimentary rock layers.
examples of homologous
the bones in the wings of birds and insects
human appendix
examples of fossil evidence
fossils of ancient plant like ferns
examples of homologous
the pentadactyl limbs structure in various vertebrates
examples of vestigial structures
wisdom teeth in humans
examples of fossil evidence
transitional fossils like Archaeopteryx, showing features of all birds and reptiles
what is a homolgous
skeletal bones
pelvic bones in whales and snakes