Which term is not correctly matched with its proper definition? Prototroph: possesses the same metabolic/growth capabilities as the parent, wild type strain. The prefixes chemo- and photo-: define the electron source Macronutrient: phosphorous and sulfur are in this category Chemoorganotroph: a heterotroph could be considered this Growth factor: components, either defined or undefined, that promote/support growth

The prefixes chemo- and photo-: define the electron source

Explanation:

The prefix 'chemo' indicates something that is a “chemical” or “chemically induced” while the prefix "photo" relates to light. An electron source is that which produces electrons. The prefixx chemo and photo do not relate to sources of electron production.

the law of original horizontality explains:   why rocks appear in layers. correct answer: b the law suggests that all rock layers are originally laid down (deposited) horizontally and can later be deformed.   the principle is used by geologists to make assumptions about the relative ages of sedimentary rocks.