Invertebrate Zoology

5.

Phylum Cnidaria

5.1.

General Characteristics

5.1.1.

Diploblastic Organization

5.1.2.

Radial Symmetry

5.1.3.

Gastrovascular Cavity

5.1.4.

5.2.

5.2.1.

5.2.2.

5.2.3.

Alternation of Generations

5.2.4.

5.3.

Cnidocytes and Nematocysts

5.3.1.

Structure and Function

5.3.2.

Types of Nematocysts

5.3.3.

Discharge Mechanism

5.3.4.

Other Cnidarian Cell Types

5.4.

Tissue Organization

5.4.1.

5.4.2.

5.4.3.

5.4.4.

Nerve Net Structure

5.5.

Sensory Structures

5.5.1.

5.5.2.

5.5.3.

5.5.4.

5.6.

5.6.1.

Digestion in Gastrovascular Cavity

5.6.2.

Respiration and Excretion

5.6.3.

Locomotion Mechanisms

5.6.4.

Bioluminescence

5.7.

Reproduction and Life Cycles

5.7.1.

Asexual Reproduction

5.7.1.1.

5.7.1.2.

5.7.1.3.

5.7.2.

Sexual Reproduction

5.7.3.

5.7.4.

Complex Life Cycles

5.8.

5.8.1.

5.8.1.1.

5.8.1.2.

Order Siphonophora

5.8.1.3.

Colonial Organization

5.8.2.

Class Scyphozoa

5.8.2.1.

5.8.2.2.

Life Cycle Patterns

5.8.3.

5.8.3.1.

5.8.3.2.

Venomous Species

5.8.4.

5.8.4.1.

Subclass Hexacorallia

5.8.4.1.1.

5.8.4.1.2.

5.8.4.2.

Subclass Octocorallia

5.8.4.2.1.

5.8.4.2.2.

5.8.4.2.3.

5.9.

Ecology and Symbiosis

5.9.1.

Coral Reef Ecosystems

5.9.2.

Zooxanthellae Symbiosis

5.9.3.

Predator-Prey Relationships

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6. Phylum Ctenophora