This tree diagram shows the relationships between several groups of organisms.
The root of the current tree connects the organisms featured in this tree to their containing group and the rest of the Tree of Life. The basal branching point in the tree represents the ancestor of the other groups in the tree. This ancestor diversified over time into several descendent subgroups, which are represented as internal nodes and terminal taxa to the right.
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IntroductionUnder bark, or logs, some are arboreal, some live in caves; others in bathtubs and behind bookcases. Some are omnivores; others eat wood.
Upper Carboniferous to Recent. One of the dominant groups of the late Palaeozoic.
- eggs usually contained in ootheca
- leathery forewings.
- male genitalia asymmetrical
- cerci variable, with one or more segments
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Information on the Internet
- The Cockroach Home Page.
- Allpet Roaches.
- Blattodea. Iziko Museums of Cape Town.
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