Match the Hominin with Its Description

question 125

Essay

Match the hominin with its description.
a.Australopithecus afarensis
b.Homo erectus
c.Homo sapiens
d.Homo neanderthalensis
e.Homo habilis
-lived from about 4 million to 1.2 million years ago

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Definitions:

Lecithin

A fatty substance found in plant and animal tissues, used as an emulsifier in food production and as a supplement.

Sodium Stearate

A sodium salt of stearic acid, often used as a surfactant in soaps and as a thickening agent.

Calcium Ions

Positively charged calcium atoms (\(Ca^{2+}\)) that play crucial roles in biological processes, including muscle contraction, neurotransmitter release, and bone formation.

Lipid Bilayer

A fundamental structure in cell membranes composed of two layers of lipid molecules, crucial for cellular integrity and function.