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HomeHomework HelpbiologyPorifera (sponges)

Porifera (sponges)

Porifera, commonly known as sponges, are a phylum of simple, multicellular organisms characterized by a porous body structure and the absence of true tissues and organs. They primarily inhabit aquatic environments and obtain nutrients through filter feeding, utilizing specialized cells called choanocytes to draw water through their porous bodies.

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Biology
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Overview

Porifera, or sponges, are fascinating organisms that represent one of the simplest forms of animal life. They are primarily found in aquatic environments and are known for their unique porous bodies, which allow them to filter feed. Sponges play a vital role in their ecosystems by maintaining water ...

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Key Terms

Porifera
The phylum of animals commonly known as sponges.

Example: Porifera are among the simplest multicellular organisms.

Filter feeding
A method of feeding where organisms filter small particles from water.

Example: Sponges are filter feeders that extract nutrients from the water.

Asexual reproduction
A form of reproduction that does not involve the fusion of gametes.

Example: Sponges can reproduce asexually by budding.

Sexual reproduction
A form of reproduction that involves the fusion of male and female gametes.

Example: Some sponges release sperm into the water for fertilization.

Ecosystem
A community of living organisms and their physical environment interacting as a system.

Example: Coral reefs are rich ecosystems that include sponges.

Biodiversity
The variety of life in the world or in a particular habitat.

Example: High biodiversity in marine environments supports sponge populations.

Related Topics

Cnidaria
Cnidaria includes jellyfish and corals, known for their stinging cells and diverse forms.
intermediate
Echinodermata
Echinoderms, like starfish and sea urchins, are marine animals with radial symmetry and a water vascular system.
intermediate
Marine Ecology
Marine ecology studies the interactions between marine organisms and their environment.
advanced

Key Concepts

Structure and functionReproductionHabitatEcological importance