If the Cultural Environment Is Similar, Variation in the Order

question 116

Multiple Choice

If the cultural environment is similar, variation in the order and timing of pubertal changes among adolescents appears to be due to the influence of __________.

• A)ethnicity
• B)birth order
• C)genetics
• D)phenotype

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Definitions:

Germ Layer

Each of the three layers of cells (ectoderm, mesoderm, and endoderm) that form during embryogenesis, which give rise to all tissues and organs of an organism.

Radial Cleavage

A type of embryonic development in which the cells divide parallel or perpendicular to the polar axis, resulting in a radially symmetrical embryo.

Echinoderms

A phylum of marine animals characterized by radial symmetry and a unique water vascular system, including starfish and sea urchins.

Amphibians

Cold-blooded vertebrates that can live both in water and on land, such as frogs, toads, salamanders, and newts.