Darwin's Observations on the Common Ancestry of Vertebrates Were Based

question 11

Multiple Choice

Darwin's observations on the common ancestry of vertebrates were based on

• A) frogs and toads of the Galápagos Islands.
• B) early embryos of South American animals.
• C) various South American adaptations.
• D) finches and tortoises of the Galápagos Islands.

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Definitions:

RDX

An abbreviation for Royal Demolition Explosive or Research Department Explosive, a highly energetic nitroamine used as an explosive.

Positive

Exhibiting or characterized by a beneficial, affirmative, or constructive quality or attribute.

TNT

Trinitrotoluene, a yellow, odorless, explosive material used commonly as a high explosive.

Oxygen Balance

A concept in chemistry that calculates the degree to which an explosive compound can be oxidized, affecting its explosive properties.