Question

primary consumers lose energy in metabolic activities and as heat to env. About
(a) 60%
(b) 90%
(c) 70%
(d) 80%​

Answer 1

Answer:

(b) 90%

Explanation:

they obtain 10 % of energy from previous trophic level ( i.e producer )

so loss = 100 - 10 = 90%

Answer 2

Answer:

90 percent of energy is lose in metabolic activities