Sea otters consume nearly ____% of their body weight per day
a. 10
b. 25
c. 30
d. 40
e. 50
B
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Bacteria have a region of the cytoplasm known as the ________, which is not bounded by a membrane but contains the chromosome.
Fill in the blank(s) with the appropriate word(s).
Lack of ___ in a diet can cause ___
a. iron---hypothryroidism b. iodine---hypothryroidism c. iodine---hyperthryroidism d. iron---hyperthyroidism e. iodine---hypertension
Describe the movement of oxygen and carbon dioxide during gas exchange.
A. Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells into the kidney nephrons. B. Carbon dioxide diffuses out of the lungs into red blood cells and oxygen diffuses out of red blood cells and into the lungs. C. Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells and into the lungs.
A bacterium that is shaped like a basketball would be called what?
A. coccus. B. bacillus. C. spirillus. D. ovular. E. squiggly.