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This collection of terms and their definitions should help as you try to understand the vast language that has developed for the study of animals. Terms in this category begin with the letter 'A'.

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Articles & Resources


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Amnion
Definition of the term 'amnion' from the Animals and Wildlife glossary.

Alveolus
Definition of the term 'alveolus' from the Animals and Wildlife glossary.

Altruism
Definition of the term 'altruism' from the Animals and Wildlife glossary.

Allopatric
Definition of the term 'allopatric' from the Animals and Wildlife glossary.

Allele
Definition of the term 'allele' from the Animals and Wildlife glossary.

4 more Articles & Resources below

Articles & Resources

more from your guide

Antler
Definition of the term 'antler' from the Animals and Wildlife glossary.

Antenna
Definition of the term 'antenna' from the Animals and Wildlife glossary.

Adaptation
Definition of the term 'adaptation' from the Animals and Wildlife glossary.

Amplexus
Definition of the term 'amplexus' from the Animals and Wildlife glossary.

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