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What Are Krill? Using Appropriate Terminology, Discuss the Role of Krill

question 28

Essay

What are krill? Using appropriate terminology, discuss the role of krill in the Antarctic food web, and describe what has been happening to the population of these animals over that past 150 years and why. What has been the impact on this Antarctic ecosystem of human related change in the global environment?


Definitions:

Telophase

The final phase of cell division, during which the chromosomes de-condense, nuclear envelopes re-form around the divided chromosomes, completing cytokinesis.

Chromatin Condenses

The process where chromatin fibers coil and fold to form more compact structures, typically during cell division.

Prophase

The first stage of cell division in both mitosis and meiosis, during which the chromatin condenses into visible chromosomes, and the nuclear envelope begins to disintegrate.

Phosphorylation

Phosphorylation is a biochemical process that involves the addition of a phosphate group to a molecule, crucial for energy transfer and signal transduction in cells.

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