____ have the most efficient respiratory system of any living vertebrate
a. Amphibians
b. Birds
c. Mammals
d. Fish
e. Nonavian reptiles
b
Biology & Microbiology
You might also like to view...
Which of the following is NOT a steroid
hormone?
a. testosterone b. epinephrine c. cortisol d. aldosterone e. all of these are steroid hormones
Biology & Microbiology
The presence of which of the following features
distinguishes prokaryotic cells from eukaryotic cells? a. cytoplasm b. nucleus c. ribosomes d. plasma membrane e. DNA
Biology & Microbiology
The conversion of amino acids to carbohydrates is an example of
A. amination. B. gluconeogenesis. C. substrate-level phosphorylation. D. beta-oxidation. E. electron transport.
Biology & Microbiology
Which of the following are not photosynthetic pigments?
A. chlorophylls B. carotenoids C. leukophylls D. phycobilins E. All of these choices are correct.
Biology & Microbiology