The process by which the distribution of traits in a population, changes over many generations.

A part of an organism (one or more bones)

A group of organisms of the same kind that don't reproduce with any other population.

A body structure in two or more species that features the same part.

The process by which species adapt to environmental changes over a very long time.

Common ancestor population

An older population from which two or more newer species descended.

A more recent species that evolved from an ancestor population.

The process by which one population evolves into two or more different species.

The very long time that spans the history of earth from the very first cellular life to the present.

Body ______ that are _______ between two species are _________ that these two species _______ the shared structures from a common __________ ___________.

Structures, shared, evidence, inherited, ancestor population

In ________ separated into different __________, ________ _________ causes different changes to happen to each population. This causes __________ species to end up with differences in their shared ___________.

Populations, environments, natural selection, descendant, structures.

When the _______ is mostly the same over time, body structures stay _______. When the environment changes over time, body structure may _________ due to ____________ ______________.

Environment, stable,change, natural selection.

Over many _____________ and very long periods of time, many small changes can build up to large ____________ in body ___________.

Generations, differences, structures.

Among any three _________, the two ________ that separated most _____________ are the most _______ related to each other.

Species, species, recently, closely.

When two _______ share a ________ that is not shared with a _________ species, this can be evidence that the first two species are more closely ________ to each other than the _________ species.

Species, structure, third, related, third.

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Term	Definition
Natural Selection	The process by which the distribution of traits in a population, changes over many generations.
Body Structure	A part of an organism (one or more bones)
Species	A group of organisms of the same kind that don't reproduce with any other population.
Shared Structure	A body structure in two or more species that features the same part.
Evolution	The process by which species adapt to environmental changes over a very long time.
Common ancestor population	An older population from which two or more newer species descended.
Descendant species.	A more recent species that evolved from an ancestor population.
Speciation	The process by which one population evolves into two or more different species.
Evolutionary time	The very long time that spans the history of earth from the very first cellular life to the present.
Species inherit their _______ ________ from their __________ populations	Body structures, ancestor.
Body ______ that are _______ between two species are _________ that these two species _______ the shared structures from a common __________ ___________.	Structures, shared, evidence, inherited, ancestor population
In ________ separated into different __________, ________ _________ causes different changes to happen to each population. This causes __________ species to end up with differences in their shared ___________.	Populations, environments, natural selection, descendant, structures.
When the _______ is mostly the same over time, body structures stay _______. When the environment changes over time, body structure may _________ due to ____________ ______________.	Environment, stable,change, natural selection.
Over many _____________ and very long periods of time, many small changes can build up to large ____________ in body ___________.	Generations, differences, structures.
Among any three _________, the two ________ that separated most _____________ are the most _______ related to each other.	Species, species, recently, closely.
When two _______ share a ________ that is not shared with a _________ species, this can be evidence that the first two species are more closely ________ to each other than the _________ species.	Species, structure, third, related, third.

Created by: AidenKellar

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