The organisms occupying the base of a pyramid of energy are autotrophs
____________________ Indicate whether the statement is true or false.
T
Biology & Microbiology
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The chromosome composition of 1 in 1,000 females is
a. XO. b. XX. c. XXX. d. XXY. e. XYY.
Biology & Microbiology
A cartilage disk that joins the two pelvic bones in the anterior region of the pelvic girdle is known as the ________
A) pubic symphysis B) sacrum C) patella D) pelvis
Biology & Microbiology
In the biosphere, which of the following is NOT constantly recycled?
Select one: a. carbon b. nitrogen c. water d. energy e. phosphorus
Biology & Microbiology
Which of these is not found in a strand of DNA?
A) hydrogen bonds B) a 5-carbon sugar C) phosphate groups D) nitrogen-containing bases E) sterols
Biology & Microbiology