An Increased Likelihood of Miscarriage, Premature Birth, and Low Birth

question 51

Multiple Choice

An increased likelihood of miscarriage, premature birth, and low birth weight results from ________ during pregnancy.

• A) alcohol use
• B) cigarette smoking
• C) German measles
• D) cocaine use

Identify the chronological order of human ancestors and significant evolutionary changes over time.

Recognize the significance of brain size, encephalization quotient, and neural development in human evolution.

Understand the role of dietary habits in the evolution of brain size and social structures among primates.

Explain the impact of specific genes and genetic mutations on human evolution.

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Definitions:

Sperm Cells

Male reproductive cells, which contribute half of the genetic material necessary for fertilization of an ovum.

Threadlike Structure

Thin, elongated formations typically found in biological organisms, such as the strands of DNA or muscle fibers.

Chromosome

A threadlike structure made up of genes. In humans, there are 46 chromosomes in every cell except sperm and ova.

Mitosis

A type of cell division in eukaryotic cells that results in two genetically identical daughter cells from a single parent cell.