The net productivity is zero. The gross productivity is positive. The gross productivity is zero. Plantae Protoctista Monera Fungi Insecta 27. Family Phylum Class Order Kingdom 28.
Photosynthesis is the process by which organic matter is broken down by primary producers.
Terrestrial biomes can change over short distances in mountainous regions. Terrestrial biomes have well-defined boundaries. Terrestrial biomes are defined by the location of human populations. The shape and location of terrestrial biomes can change dramatically over the course of one year. None of the above.