Por qué las poblaciones no se reproducen a tasas exponenciales para siempre

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Microorganisms are involved in each of the following processes excepta. smog production.b. food production.c. infection.d. o2 production.e. decomposition of organic material.

Which direction does the energy flow in this energy pyramid ?