Instructions: _∙ Identify Each Item. Give an Explanation or Description of of the Item

question 78

Essay

Instructions:
_∙ Identify each item. Give an explanation or description of the item. Answer the questions who, what, where, and when.
Explain the historical significance of each item. Establish the historical context in which the
_∙ item exists. Establish the item as the result of or as the cause of other factors existing in the society under study. Answer this question: What were the political, social, economic,
and/or cultural consequences of this item?
-the lateen sail

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Definitions:

Pineal Body

Also known as the pineal gland, this small endocrine gland in the vertebrate brain secretes melatonin, regulated by light exposure.

Biological Rhythms

Internal cycles of biological activity within organisms, such as circadian rhythms, which influence sleep, feeding, and other physiological processes.

Genus

Genus is a rank in the biological classification system (taxonomy) that groups together species sharing common characteristics, sitting above species and below family.

Phylum

A hierarchical level in the classification of organisms, grouping together classes of species that have a common plan of structure or organization.