The Indigenous Communities in the Tropical Regions of the Americas

question 1

True/False

The indigenous communities in the tropical regions of the Americas are not as dark skinned as populations living in other tropical regions,because the dense vegetation in this continent blocks out much of the sunlight.

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Definitions:

Collagen And Elastin

Proteins found in connective tissues, with collagen providing tensile strength and elastin allowing tissues to resume their shape after stretching or contracting.

Extracellular Matrix

A complex network of proteins and carbohydrates surrounding cells, providing structural and biochemical support to tissues and organs.

Animal Body Plans

Basic structural layouts found in animals, including symmetry, coelom formation, and segmentation, which are determined during embryonic development.

Wings

Appendages of an animal's body allowing it to fly, found in various forms in different groups such as birds, bats, insects, and some extinct species.