__________ Is a Major Killer of Infants, Responsible for About

question 69

Multiple Choice

__________ is a major killer of infants, responsible for about one million infant deaths per year, mainly in Africa.

• A)Malaria
• B)Dysentery
• C)Asthma
• D)Eczema

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Definitions:

Earliest Fossils

The oldest known remnants or impressions of ancient organisms preserved in rock.

Own Species

The specific group of organisms to which an individual belongs, identifying it from others in terms of genetics and morphology.

Million Years Ago

A unit of time used in geology and paleontology to denote periods that are millions of years in the past from the present day.

Stromatolites

Layered bio-chemical structures formed in shallow water by the trapping, binding, and cementation of sedimentary grains by microorganisms, mainly cyanobacteria.