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Fossil Image Bank Questions

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1
Homo ergaster was present in Africa for over one million years. During this time they underwent little morphological change essentially experiencing a long period of stasis. Around 600 kya there was the sudden appearance of a new species in Africa Homo heidelbergensis that had evolved from Homo ergaster. What mode of evolution is this type of speciation associated with?
A)phyletic gradualism
B)punctuated equilibrium
C)cladistics
D)gene flow
E)anagenesis

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2
In Europe between at least 300 kya to 28 kya we see the steady accumulation of distinct Neandertal features over time. What mode or tempo of evolution is this type of speciation associated with?
A)gradualism
B)punctuated equilibrium
C)cladogenesis
D)mutation
E)sympatric





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