A toxic form of oxygen, ______ oxygen, is molecular oxygen with electrons that have been boosted to a higher energy state.
Fill in the blank(s) with the appropriate word(s).
Answer: Singlet
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What is the term for crosses between parents that differ in only one trait?
A) Testcrosses B) Cross fertilize C) Monohybrid crosses D) Dihybrid crosses E) Reciprocal crosses
Glycolysis and the citric acid cycle are similar in that they both produce ________.
Fill in the blank(s) with the appropriate word(s).
The taxonomic subdivision immediately below the level of a kingdom is a
A. phylum. B. family. C. genus. D. order.
In some rocky intertidal habitats, the barnacle Chthamalus can survive across the same depths as can the barnacle Balanus
However, where the two occur together, Chthamalus adults are found only in the more stressful upper portions of the habitat where they are more prone to desiccation. This is an example of: A. the mutualistic form of symbiosis. B. intraspecific competition reducing the size of Chthamalus' fundamental niche to a smaller realized niche. C. mutualism reducing the size of Balanus' realized niche to a smaller fundamental niche. D. competitive exclusion reducing the size of Chthamalus' fundamental niche to a smaller realized niche. E. competitive exclusion expanding the size of Balanus' realized niche to a larger fundamental niche.