BRAIN TEASERS
Brain Teasers User Profile

Rachel Parker

rank
663
points
0
See full ranking list
short ranking list
661. Hayley Martin 0
662. Michael Spivak 0
663. Rachel Parker 0
664. Eric Willems 0
665. Jessie Lim 0
last 3 solved tasks

Karl Gegenbaur

Born 21 Aug 1826; died 14 Jun 1903 at age 76. German anatomist who laid emphasis on comparative anatomy. This research led him to become one of Europe's strongest supporters of the theory of evolution. Gegenbaur's work on fishes provided evidence in support of Huxley's stand against a theory that held that the skull originated from expanded vertebrae. From studies in embryology, he asserted that all eggs are simple cells (1861) as suggested earlier by Schwann (1838). Thus not only the eggs and sperm of mammals, but all eggs and sperm were single cells, and so were even the relatively huge eggs of birds and reptiles.«

It's been my life l...

“It's been my life long vision to become an optometrist, but I just couldn't see a way to make it happen.”

Jokes of the day - Daily updated jokes. New jokes every day.
Follow Brain Teasers on social networks
This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.