Biology Module 9 Vocabulary Flashcards

Front

analogous structures

Back

body parts that have similar function but different structure

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Charles Darwin

Back

scientist who developed the theory of evolution

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common ancestor

Back

an organism from the past that has evolved into different modern day species

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evolution

Back

change over time

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fitness

Back

the ability of an organism to survive in its environment

Front

homologous structures

Back

body parts of different organisms that have a similar structure but different functions

Front

law

Back

a statement that describes something in nature; this explains WHAT happens

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theory

Back

an explanation of facts that has been tested and is well supported; this explains WHY things happen

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artificial selection

Back

when humans choose to breed organisms with certain traits

Front

environmental pressure

Back

forces such as disease, lack of food or shelter, or predators that will make it harder for an organism to survive