What Are Some of the Limitations Imposed by a Hydrostatic

question 199

Essay

What are some of the limitations imposed by a hydrostatic skeleton? Are the limitations the same for aquatic and terrestrial animals?

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Definitions:

Nuclear Envelope

The double membrane structure that encloses the nucleus of a eukaryotic cell, separating its contents from the cytoplasm.

Prophase

The first stage of cell division in both mitosis and meiosis where chromosomes become visible and the nuclear envelope begins to break down.

Telophase

The final stage of cell division, where the chromatids or chromosomes move to opposite ends of the cell and two nuclei are formed.

Metaphase

A phase of cell division in which the chromosomes are aligned at the spindle equator halfway between the spindle poles.