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Origin of tetrapod limbs
El Niño-Southern Oscillation (ENSO)
In the hypothesis that C. stellatus (a species of barnacle) is competitively excluded from the lower
intertidal zone by B. balanoides (another species of barnacle), what could be concluded about the
How would you describe the the distribution of biodiversity across the Tree of Life? What branch of biology studies factors which produce these patterns?
When did dinosaurs exist and why did they go extinct?
How can asteroids or volcanic activity cause a mass extinction?
What are the problems with the fossil record?
What is the difference between a phylogenetic tree and a time tree?