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Do sponges have tissues and organs?

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The sponge is considered the oldest animal phyla. They are multicellular, but have no tissues or organs. small pores are the gateway to a complex channel system where the sponge pumps a stream of water from which cells extract small particles of food. The sponge lacks true tissue, has no body symmetry, and is stemless. Types are categorized based on the presence and composition of spicules. Sponges are very different from other animals, but some scientists believe that sponge-like creatures are the first animals because of their simplicity. Like all animals, sponges produce sperm and eggs and have an entire suite of animal-specific genes. Special cells in the sponge include cells that filter seawater. Phagocytic cells (cells that swallow and digest food particles); those that form the external "skin", breathing holes, and tubes through which water enters and exits the body.



Does the sponge have true tissue?

Does the sponge have true tissue? Unlike protozoa, sponges are multicellular. However, unlike higher metazoans, the cells that make up the sponge are not organized into tissues. Therefore, the sponge lacks true tissue and organs. Moreover, they have no body symmetry.

Why do sponges breed first?

They were the first animals to reproduce sexually. The sponge has no tissues or organs. The beating choanocytes (special cells with flagella) and the porous structure of the sponge's body pump water throughout the body. This brings food to all sponge cells.

What is the Sponge Gate?

Sponges are classified in the phylum Sponge. Animal Kingdom. They have simple multicellular tissues with no tissues or organs. Most of the sponges are marine in nature and very few freshwater species. They show very fast breeding and regeneration rates to new individuals.

What is the function of the sponge cell?

Sponge cells perform all the functions of organs in higher animals and communicate with each other, a shared ability of all animal cells. Sponges are the only animals that can reconstruct themselves when broken down to the cellular level. Dr.

Does the sponge have organs or organ systems?

Since the sponge has no organ system, it has no respiratory or circulatory system. They diffuse from the water flowing through the body to get oxygen and then diffuse into the same puddle to expel waste products.

What kind of organs does the sponge have?

The sponge has no organs or organ system. They don't even have tissue, but they are organized only at the cellular level.

Does the sponge have real tissue?

Unlike protozoa, sponges are multicellular. However, unlike higher metazoans, the cells that make up the sponge are not organized into tissues. Therefore, the sponge lacks true tissue and organs. Moreover, they have no body symmetry. However, sponges have special cells that perform certain functions.

How many tissue layers does the sponge have?

As mentioned above, the sponge is the ectoderm, which is essentially composed of two cell layers. Between these two layers is a gelatinous substance called mesohyl.

Do sponges have tissues and organs?

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