Bio Final Flashcards
Cilia and flagella are found inside or outside of the cell wall?
outside
the cytoskeleton is found inside or outside of the cell
inside
How have fossils helped to “prove” evolution?
they show how a species has evolved over time
How has evolutionary history helped to “prove” evolution?
for instance, in “utero” humans have gil slits, which are no longer needed.
How has continental drift helped to “prove” evolution?
certain species are found all over the world
How has direct observation helped to “prove” evolution?
we can see first hand genetic changes
How has the present day formation of species helped to “prove” evolution?
for instance, new species of flowers discovered in 1950, which had never been found before.
This diagram is an example of which mechanism for evolution?
Gene Flow
Sexual selection if a form of natural selection, and occurs when a female places pressure on males in order to pick their sexual mates (true/false)
True
What 3 basic components comprise a nucleotide of nucleic acids?
Sugar, phosphate, thymine
Karyotype