sea otters 

Q105-Q112: Multiple Choice   Eliminating a predator that favors the competitively dominant prey species can

 Bony fishes as a group are more morphologically diverse than the cartilaginous fishes as a group. 

Adults of the invertebrate species in the Phylum Chordata look and behave exactly like fish, but have completely flexible bodies because they lack backbones

bony fishes 

Vertical zonation patterns in the distribution of prominent space-occupying species is due to differences among species in their ability to tolerate salt water immersion at high tide  

Vertical zonation patterns in the distribution of prominent space-occupying species is due to differences among species in their ability to tolerate air exposure at low tide  

One advantage of diminished populations of green turtles is that sea grass blades are allowed to grow longer, benefitting not only the plants, but also the entire ecosystem

Dominant structure-providing organisms were consumed by very large herbivores until humans consumed too many of those large herbivores.

A ‘functional food web’ provides a visual description of the exact amount of energy that flows from lower to higher trophic levels.