Science differs from other disciplines, such as history and the arts, because science relies on
A) observations.
B) theories.
C) facts.
D) testing explanations.
Answer: D) testing explanations.
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In bog soils, the decomposition rate of lignin-cellulose complexes is accelerated by the water-logged, predominately anoxic conditions.
Answer the following statement true (T) or false (F)
The key difference between incomplete dominance and codominance is
a. with incomplete dominance, the recessive allele cannot be detected; in codominance, the expression of the recessive allele is apparent. b. with incomplete dominance it is possible to detect the expression of a recessive allele; in codominance, both alleles contribute equally to the phenotype. c. with codominance it is possible to detect the expression of a recessive allele; in incomplete dominance, both alleles contribute equally to the phenotype. d. with incomplete dominance, it is possible to detect the expression of the dominant allele; in codominance, both alleles contribute equally to the phenotype. e. the two terms mean the same thing.
When the cerebral cortex receives sensory information and consciously perceives it, this is called.
a) Internal head b) Intellect c) Mind d) Sensation
Which statement is an accurate interpretation of the outcome in an ecosystem when a major predator is removed?
A. The diversity of the ecosystem decreases because new herbivores move in. B. The diversity of the ecosystem decreases because parasites become more of a problem. C. The diversity of the ecosystem actually increases. D. The diversity of the ecosystem decreases since there is an increase in competition. E. The remaining community adjusts and quickly becomes stable.