What trophic level is occupied by the emperor penguin in the above food web? Briefly state the reason for your choice

What will be an ideal response


Tertiary and quaternary consumer. The emperor penguin feeds on squid. Squid is a tertiary consumer of carnivorous plankton and krill and a secondary consumer of herbivorous zooplankton.

Environmental & Atmospheric Sciences

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Which of the following describes an aqueous solution?

A) a mixture of some compound dissolved in water B) a mixture of polar molecules dissolved in a nonpolar solvent C) a mixture of water dispersed in an ionic compound D) a mixture of nonpolar molecules dissolved in a polar solvent E) none of the above

Environmental & Atmospheric Sciences

In the wake of the U.S. failure to ratify the Kyoto Protocol ________

A) cities and states are setting their own programs for reducing greenhouse gas emissions B) many nations have severed diplomatic relations with the United States C) oil exporting nations have refused to sell to the United States D) dozens of other nations pulled out of the Protocol E) the United States has shown that it is a leader in carbon emission reduction without having signed the Protocol

Environmental & Atmospheric Sciences

In some minerals the bonds are equally strong in all directions, therefore they have no cleavage but instead ________ along irregular surfaces that are commonly curved.

A. chip B. fracture C. luminesce D. flatten E. bend

Environmental & Atmospheric Sciences

Tentative explanations that are formulated to explain observed phenomena are known as ____

A)tautologies B)theories C)conjectures D)perspectives E)hypotheses

Environmental & Atmospheric Sciences