Compare and contrast food webs and food chains. a pyramid of energy has 100 units of energy available for the first trophic level. how many units would be available for the primary consumers? how did you calculate this? in the following food chain, which part contains the most biomass? green plants → rabbits → owls what happens to the energy that a rabbit uses for staying warm and running from predators?

succession returns a disturbed

ecosystem to a more stable state. this is also classified into two (2) types:

primary succession and secondary succession. the primary succession arises when

a new land is transformed and a bare rock has been exposed providing an environment

that can be occupied for the first time. while, secondary succession occurs

when a previously occupied environment was disturbed that kills much of all its

community

explanation: