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Biology

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Valentina Reichel

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Cards in this guide (9)
What is cladistics

A system that groups organisms by ancestry

Why are vestigial structures not removed by natural selection

Vestigial structures do not harm the organism. Nature selects against only harmful traits.

How does reducing gene flow cause speciation

It allows divergence to occur

It allows populations to become genetically different.

Why are archaea in a different domain from bacteria

They are thought to have separate paths of evolutionary development.

They developed along different evolutionary paths.

They had independent evolutionary development.

What causes a branch in a cladogram

Derived trait.

What is the term for any primate that walks on two feet

A bipedal primate is referred to as a great ape, or a hominid.

Which animal adaptation happened before the others
bilateral symmetry

Tissue development

Development of a coelom

Which groups is the smallest level of classification

Order

How does reducing gene flow cause speculation

It allows divergence to occur

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