The carbon cycle begins with ________.
A. anaerobic respiration
B. aerobic respiration
C. the conversion of carbon dioxide to methane
D. carbon dioxide fixation
Answer: D
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The vector Glossina palpalis group transmits the T. brucei gambiense organism. The diagnostic stage is the:
a. amastigote. b. epimastigote. c. trypomastigote. d. promastigote.
An illustration constructed by a biologist to represent the evolutionary relationships between species and shared ancestors is called a(n)
A. systematic tree. B. ancestral tree. C. phylogenetic tree. D. taxonomic tree. E. tree of life.
The control in an experiment
a. makes the experiment valid. b. is an additional replicate for statistical purposes. c. reduces the experimental errors. d. minimizes experimental inaccuracy. e. allows a mixed group of comparisons among different organisms for the experimental group.
Hearing loss resulting from damage to the tympanic membrane or the bones of the middle ear is known as ________ deafness
Fill in the blank(s) with correct word