Twin spotting provides evidence of what genetic event?
A) meiotic recombination
B) mitotic recombination
C) linkage
D) mutation
E) biological evolution
B) mitotic recombination
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Two species of salamander have similar ranges, but one breeds from January to March, while the second one breeds from March to May. This is an example of
A. mechanical isolation. B. temporal isolation. C. habitat isolation. D. behavioral isolation. E. gametic isolation.
Land dwelling insects do not have the ability to excrete ammonia so instead they will convert it into ________
a. urea b. urine c. plasma d. water e. uric acid
An organism is a multicellular heterotroph made up of eukaryotic cells lacking cell walls. Into which taxonomic group should the organism be classified?
a) animals b) plants c) protists d) fungi
The absorption of light energy by a photosystem:
A) boosts electrons to a higher energy level. B) transfers an electron from a reaction center to accessory pigment molecules. C) causes electrons to lose energy until they reach the reaction center. D) causes electrons to be transferred from NADP+ to a reaction center.