Multicellularity - PowerPoint PPT Presentation

The History of Life

The History of Life. Section 17–2 This section explains how Earth formed. It also outlines hypotheses that have been proposed for how life first arose on Earth and describes some of the main steps in the early evolution of life. . Formation of Earth .

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898 views • 19 slides

Volvox

Volvox. “THE FIERCE ROLLER”. Why do they interest us?. Individual cells that cooperate together in a colony to behave like a multicellular organism

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577 views • 14 slides

The Deuterostomes

The Deuterostomes. Echinodermata Chordata. Quiz ( Champaca ). What is the most distinctive structure of echinoderms? What are these structures that operate like suction cups (and are found at the end of the radial canals)?

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319 views • 11 slides

Chapter 1 Hierarchy of Life

Chapter 1 Hierarchy of Life. Atoms Molecules Cells Tissue Organs (systems) Organism Population Communities Bioshpere. What is Life. Definition: An organized genetic unit capable of metabolism, reproduction and evolution.

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262 views • 6 slides

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