Term for Identification: the Descent of Man

question 38

Short Answer

Term for identification: The Descent of Man

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Definitions:

Ectoderm

The external layer of cells or tissues in an embryo during its initial stages of growth, which develops into the skin's outer layer, the brain, and the nervous system.

Environmental Factors

External elements including temperature, water, sunlight, and soil that affect living organisms and the functioning of ecosystems.

Fetus Development

The stage of human development in the womb from the ninth week after fertilization until birth, involving significant growth and differentiation of tissues and organs.

Germ Layer

In early embryonic development, one of the three primary layers (ectoderm, mesoderm, and endoderm) that give rise to all tissues and organs of an organism.