Introduction to animal diversity

OpenStax

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Features of the animal kingdom

1 Complex tissue structure

2 Animal reproduction and development

3 Processes of animal reproduction and embryonic development

4 The role of homeobox ( Hox ) genes in animal development

5 Section summary

6 Art connections

Features used to classify animals

1 Animal characterization based on body symmetry

2 Animal characterization based on features of embryological development

3 Presence or absence of a coelom

4 Embryonic development of the mouth

5 Section summary

6 Art connections

Animal phylogeny

1 Constructing an animal phylogenetic tree

2 Modern advances in phylogenetic understanding come from molecular

3 Section summary

The evolutionary history of the animal kingdom

1 Pre-cambrian animal life

2 The cambrian explosion of animal life

3 Post-cambrian evolution and mass extinctions

4 Section summary

Source: OpenStax, Biology. OpenStax CNX. Feb 29, 2016 Download for free at http://cnx.org/content/col11448/1.10

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