Approximately what percent of the energy that enters a trophic level becomes available to the next trophic level?
A. 2 to 12
B. 3 to 13
C. 4 to 14
D. 5 to 15
E. 5 to 30
Answer: E
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Enzymes function to:
A. react with other enzymes to form a product. B. catalyze chemical reactions. C. transport molecules and ions across membranes. D. regulate messages between cells.
The process in which RNA is synthesized using a DNA template is called translation
__________________ Indicate whether the statement is true or false.
Drosophila (fruit flies) usually have long wings (+) but mutations in two different genes can result in bent wings (bt) or vestigial wings (vg). If a homozygous bent wing fly is mated with a homozygous vestigial wing fly, which of the following offspring would you expect?
A) All +bt +vg heterozygotes B) 1/2 bent and 1/2 vestigial flies C) All homozygous + flies D) 3/4 bent to 1/4 vestigial ratio E) 1/2 bent and vestigial to 1/2 normal
The way in which an organism utilizes its environment may be called
A. resource partitioning. B. competitive exclusion. C. its niche. D. its habitat. E. intraspecific competition.