Biology
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Search: Quizlet (Evolution Unit Vocabulary Week #1)
Author – Matthewsscience
Friday Vocab Quiz – 6 questions
Word
Book Definition
Vocabulary
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)
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Word
Book Definition
Vocabulary
Homologous Structures in different species that
are similar because of common
Structures
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
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