Why are there limited levels of consumers? for example, apex predators are usually tertiary or quaternary consumers. why don’t we have many 5th, 6th, or 7th level consumers?

Afisherman is dragging his boat from the shore out into the ocean. match the following lists of areas he will move over in the correct order. continental rise continental slope continental shelf [tex]1.[/tex] [tex]2.[/tex] [tex]3.[/tex]

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab

Which type of stimulus do mechanoreceptors detect? sound pain heat light