What type of reproductive isolating mechanism is described by a situation in which female fireflies mate only with males who emit light in a particular pattern?
A) habitat isolation
B) temporal isolation
C) mechanical isolation
D) behavioral isolation
D
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Dissimilatory nitrate reduction results in the production of gaseous products, while assimilatory nitrate reduction results in the production of ammonia for biosynthesis
Indicate whether the statement is true or false.
Images of unreplicated chromosomes that allow researchers to organize and identify each chromosome, as well as missing or extra chromosomes is called a(n) ________.
A. amniocentesis B. caricature C. chorionic villus sampling (CVS) D. karyotype
Which of the following serves as both reactant in photosynthesis and product in cellular respiration?
-O2 -CO2 -H2O -a and b -b and c
As the initial cleavage divisions proceed in a frog embryo, which of the following results?
A. the embryo increases in size B. The cytoplasmic content of the individual cells increase C. The yolk mass increases in size. D. Individual cells become smaller E. Individual cells become haploid