1. Energy transfer is inefficient between trophic levels because A. Molecules are fully digested from each trophic level.

B. Dead organisms and waste are recycled throughout the trophic levels.

C. Organisms within a trophic level are fully consumed.

D. All organisms within a trophic level die.

2. Primary productivity is defined as

A. The rate that plants and other photosynthesis organisms produce organic compounds.

B. The process where green plants and some other organisms convert light energy into chemical energy using carbon dioxide and water.

C. The overall amount of energy captured by plants and other photosynthetic organisms by the chloroplast.

D. The adjusted amount of energy in an ecosystem due to energy use by organisms for respiration.

Thanks if you help, It's highly appreciated. :-)