Use Figure to answer the following questions. Examine this food web for a particular terrestrial ecosystem. Each letter is a species. The arrows represent energy flow.

A toxic pollutant would probably reach its highest concentration in which species?

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#Question id: 9226

#Unit 9. Diversity of Life Forms

The main purpose of movement corridors is to ________.

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#Question id: 33480

#Unit 2. Cellular Organization

Finding: The overall degree of divergence between two homologous exons in related genes corresponds to the differences between the polypeptides.

Reason: Overall degree of divergence between two homologous exons is mostly a result of base substitutions.

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#Question id: 857

#Unit 1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar side chains in the interior of a protein is favored by

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#Question id: 773

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following describes the function of an enzyme known as Dicer?

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#Question id: 19707

#Unit 13. Methods in Biology

Currents caused by opening of which of the following channels contribute to the repolarization phase of the action potential ofventricular muscle fibers?