Fields of Inquiry Fundamental to Studies of Adaptation in Modern

question 51

Multiple Choice

Fields of inquiry fundamental to studies of adaptation in modern human populations include

• A) Factors that have produced only visible physical differences
• B) Factors that have produced only genetic variation
• C) Traits that typify certain populations that have not evolved as biological adaptations
• D) Traits that typify certain populations that have evolved as biological adaptation to environment, e.g. sunlight, altitude, or infectious disease
• E) Examinations of modern groups but not populations over time

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Definitions:

Engulfing Vesicle

A membrane-bound vesicle that forms to engulf particles, bacteria, or other materials into a cell by phagocytosis.

Centrioles

Cylindrical structures found in most eukaryotic cells, involved in the organization of the mitotic spindle and in the completion of cytokinesis.

Mitosis

The process of cell division that results in two genetically identical daughter cells from a single parent cell, ensuring equal distribution of chromosomes.

Meiosis

A process of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct.