Algae in a swimming pool are ____; Escherichia coli bacteria in the human intestine are ____.
A. autotrophs; autotrophs
B. heterotrophs; heterotrophs
C. autotrophs; heterotrophs
D. heterotrophs; autotrophs
Ans: C. autotrophs; heterotrophs
You might also like to view...
Choose the true statements about the human and mouse genomes.
_____ The human genome shares 99% of its genes with the mouse genome. _____ A comparison of genomes confirms that mice and humans shared a common ancestory more recently than humans and pufferfish. _____ Very few genes are conserved in the two genomes. _____ Little rearrangement of genes has occurred in the two genomes.
Which event of translation is shown here?
a. initiation b. elongation c. termination d. peptide bond formation e. elongation and peptide bond formation
Each of the following events actually occurs. Which case would be included in the definition of sexual reproduction?
A. The female sex cell of a flower develops into a new generation after receiving the male sex cell from the same flower. B. A female sex cell develops into a new individual without fertilization. C. Three new plants develop from three branches cut from a plant and placed in potting soil. D. Twins develop.