An energy pyramid is shown below. what is the role of the fern in the energy pyramid?
a producer
b herbivore
c carnivore
d decomposer

this diagram represents a food web. what is the role of the owl in the food web?
a consumer
b decomposer
c herbivore
d producer

this diagram shows the food chain. which term describes the role of the corn in this food chain?
a carnivore
b consumer
c herbivore
d producer

centipedes are important organisms in temperate forest ecosystems. they live under decaying materials and hunt for small insects at night. what is most likely the role of the centipede in the temperate forest ecosystem?
a decomposer
b herbivore
c predator
d producer

a hurricane sweeps across a small caribbean island, killing 50 percent of the herbivore species on the island. which of the following is the most immediate result?
a a reduction in biodiversity
b an acceleration of the carbon cycle
c an increase in predator populations
d a decline in decomposer populations