Test Info Flashcards
If chi square is greater than critical value…
null hypothesis is rejected
If chi square is smaller than critical value…
null hypothesis is accepted
Do not use the word ________ in the exam
fitness
Evolution happens to ________, not _________
populations, indivuduals
pay attention to words like individuals or allele
repeat
What to do after chi square?
Determine the degrees of freedom
(number of rows - 1) * (number of columns - 1)
or just (number of outcomes -1)
homologous features
anatomical structures or genes in different organisms that share a common evolutionary origin
vestigial structures
a physical feature of an organism that has lost most or all of its original function through evolution - like our tail bone
analogous features
similar traits in different species that have different anatomies but serve the same function
convergent evolution
Where unrelated species develop similar traits due to the similar environments
ectotherms
cannot control internal heat
endotherms
can control internal heat