#Question id: 11256
#Section 1: Ecology
Inferences built on the idea that evolutionarily older and younger characters should be found among close relatives if they are linked by evolution has been elaborated into a branch of evolutionary biology known as __________.
#Question id: 4952
#Section 2: Evolution
Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?
#Question id: 12264
#Section 1: Ecology
#Question id: 4623
#Section 2: Evolution
Which of the events described below agrees with the idea of catastrophism?
#Question id: 12466
#Section 1: Ecology