1. Biology
All vocab with pictures on Quizlet! (quizlet.com) Search: Quizlet (Evolution Unit Vocabulary Week #1) Author – Matthewsscience Friday Vocab Quiz – 6 questions

2. Vocabulary Evolution Common Ancestor Embryology Word Book Definition
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Evolution
Change in a kind of organism over time
Common Ancestor
An ancestral species from which later species evolved from.
Embryology
Study of the development of a unicellular zygote into a complete multi-cellular organism.
(development of a baby before they are born into a full grown baby ready to be born)
Vocabulary

3. Homologous Structures
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Homologous Structures
Structures in different species that are similar because of common ancestry.
Vestigial Structures
An organ or part which is no longer functional or is reduced in function. (for example, the human appendix)
Analogous Structures
Structures that unrelated species have which are used for similar function
Vocabulary