Which organisms externally digest dead organic matter and then absorb the nutrients? a. autotrophs b. detritivores c. heterotrophs d. saprotrophs (total 1 mark) 2. what are the two components of an ecosystem? a. community and abiotic environment b. species and habitat c. habitat and abiotic environment d. species and community?

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.

i need

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.