Which best describes the role of a secondary consumer in a food web? Carnivore that feeds on producers
Herbivore that feeds on producers
Herbivore that feeds on primary consumers
Carnivore that feeds on primary consumers

Why do oceanic plates tend to subduction when colliding with a continental plate

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

Injuries in the environment are a result of