What group of evolutionary biologists tends to focus on the differences between fossils, classifying Homo fossils into four or more species?
A. Bipedalists
B. Splitters
C. Lumpers
D. Hominoids
E. Formulationists
Answer: B
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Alternation of generations means
A. One phase of the life cycle takes place on land and the other in water. B. One phase of the life cycle is photosynthetic and the other is heterotrophic. C. One phase of the life cycle is diploid and the other is haploid. D. One phase of the life cycle is unicellular and the other is multicellular. E. One phase of the life cycle is motile and the other is stationary.
Enzymes speed chemical reactions by
A. supplying energy to the reaction process. B. lowering the energy required to start a chemical reaction. C. lowering the amount of reactants that are needed. D. maintaining chemical equilibrium. E. raising the temperature of the surroundings.
What would be the approximate equilibrium potential for K+ if K+ outside the neuron is 1mM and inside is 100mM? How might that impact the resting potential compared to that for a typical neuron?
What will be an ideal response?
Which organ is not part of the digestive system?
Select one: a. kidneys b. mouth c. esophagus d. large intestine e. pancreas