Which classification system is defined as artificial, based on a few simple criteria rather than evolutionary relationships?

Prepare for the IB Marine Science SL Exam. Study with flashcards and multiple choice questions that include hints and explanations. Ace your exam!

Multiple Choice

Which classification system is defined as artificial, based on a few simple criteria rather than evolutionary relationships?

Explanation:
The idea being tested is how classification systems can be artificial—built from a small set of simple criteria rather than looking at evolutionary relationships. An artificial system groups organisms by a few easy-to-observe traits, like color, size, or habitat, without considering how organisms are related by ancestry. That’s why this term fits the description perfectly. The other terms don’t describe a way of classifying organisms: one refers to an organism’s mode of nutrition (autotroph), one to a depth zone in the ocean (bathyal), and one to a coastal landform (tombolo).

The idea being tested is how classification systems can be artificial—built from a small set of simple criteria rather than looking at evolutionary relationships. An artificial system groups organisms by a few easy-to-observe traits, like color, size, or habitat, without considering how organisms are related by ancestry. That’s why this term fits the description perfectly. The other terms don’t describe a way of classifying organisms: one refers to an organism’s mode of nutrition (autotroph), one to a depth zone in the ocean (bathyal), and one to a coastal landform (tombolo).

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