Decomposers
A. break down dead organic matter in the environment by secreting digestive enzymes.
B. break down living organic matter by secreting digestive enzymes.
C. destroy living cells and then break them down with digestive enzymes.
D. live in close association with another species.
A. break down dead organic matter in the environment by secreting digestive enzymes.
You might also like to view...
Humans are unable to get metabolic energy from cellulose because:
A. cellulose contains very little chemical energy. B. cellulose is not part of a normal diet. C. cellulose digesting enzymes are absent from the human gut. D. cellulose does not taste good. E. cellulose is present in large quantities in the gut.
Which factor is the most important algal contribution
to the fungal component of a lichen? a. improved water conservation b. mechanical protection c. photosynthetically derived food d. conversion of nitrogen gas to nitrates e. pigment for camouflage
Which of the following best compares microevolution with macroevolution?
a. Microevolution describes the small-scale evolutionary changes that populations undergo. Macroevolution describes larger-scale genetic changes observed in species. b. Microevolution describes the large-scale genetic changes that populations undergo. Macroevolution describes small-scale evolutionary changes observed in species. c. Microevolution describes the small-scale genetic changes that populations undergo. Macroevolution describes larger-scale evolutionary changes observed in species. d. Microevolution describes the small-scale genetic changes that species undergo. Macroevolution describes larger-scale evolutionary changes observed in populations.
You need to explain to your study group why the breathing ability of amniotes is different than that of amphibians. Your classmates argue that something like a terrestrial salamander is identical in its breathing mechanism to an amniote. To convince them of the critical breathing innovations of amniotes, you report that in order to breathe as an amniote does, the terrestrial salamander would have to
A. reduce the size of its mouth. B. grow lungs. C. grow scales on its body. D. develop new muscular associations in the ribcage.