Sponges are sessile, meaning they cannot move, they filter water to obtain their food. They don’t have brains, stomachs, or other organs. They do not even have true tissues. Instead, their bodies are made up of specialized cells (cell-level organization) that do specific jobs.
How do sponges differ from the majority of organisms in the …
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How are sponges different from other animals?
Sponges are similar to other animals in that they are multicellular, heterotrophic, lack cell walls and produce sperm cells. Unlike other animals, they lack true tissues and organs. Some of them are radially symmetrical, but most are asymmetrical.
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What makes sponges unique from other organisms?
Sponges are characterized by the possession of a feeding system unique among animals. Poriferans don’t have mouths; instead, they have tiny pores in their outer walls through which water is drawn.
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How are cnidarians and sponges different from all other animals?
The sponges and the cnidarians represent the simplest of animals. Sponges appear to represent an early stage of multicellularity in the animal clade. Although they have specialized cells for particular functions, they lack true tissues in which specialized cells are organized into functional groups.
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How are sponge cells unique in the animal kingdom?
Sponge cells carry out all the functions that organs carry out in higher animals and they communicate with each other, an ability all animal cells share. Sponges are the only animals that if broken down to the level of their cells, they can reassemble themselves.
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How are sponges and cnidarians different from other animals?
The sponges and the cnidarians represent the simplest of animals. Sponges appear to represent an early stage of multicellularity in the animal clade. Although they have specialized cells for particular functions, they lack true tissues in which specialized cells are organized into functional groups.
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How are cnidarians different from other animals?
Cnidarians are distinguished from all other animals by having cnidocytes that fire harpoon like structures and are usually used mainly to capture prey. In some species, cnidocytes can also be used as anchors.
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How are sponges different from other animals?
Sponges are similar to other animals in that they are multicellular, heterotrophic, lack cell walls and produce sperm cells. Unlike other animals, they lack true tissues and organs. Some of them are radially symmetrical, but most are asymmetrical.
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What is the main difference between sponges Porifera and Cnidaria?
Compare the structural differences between Porifera and Cnidaria. Poriferans do not possess true tissues, whereas cnidarians do have tissues. Because of this difference, poriferans do not have a nerve net or muscle cells for locomotion, which cnidarians have.
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How are sponge cells different from all other animal cells?
What separates them from other animals is that they do not have tissues or systems and that their cells are only loosely organized together. The sponges do not have the bilateral symmetry that many other animals do have. They are sessile, meaning that they cannot move, which other animals can do.
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How are sponges very different from other animals?
Unlike other animals, they lack true tissues and organs. Some of them are radially symmetrical, but most are asymmetrical. The shapes of their bodies are adapted for maximal efficiency of water flow through the central cavity, where the water deposits nutrients and then leaves through a hole called the osculum.
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Which of the following is the unique characteristics of sponges?
So, the correct answer is ‘Porous body’.
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What are 5 characteristics of sponges?
The phylum has the following distinguishing characteristics:These are pore-bearing multicellular animals.The body has no organs.They exhibit holozoic nutrition.The body is radially symmetrical.They can regenerate their lost parts.
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What makes sponges unique among other animals?
Unlike other animals, they lack true tissues and organs. Some of them are radially symmetrical, but most are asymmetrical. The shapes of their bodies are adapted for maximal efficiency of water flow through the central cavity, where the water deposits nutrients and then leaves through a hole called the osculum.
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What is the special properties of sponge?
High liquid absorption and retention capacity: The unique porosity provides a large surface area with an open cell structure. Therefore, the natural cellulose sponge is able to absorb 20 times its own dry weight of water and retain this in its pore structure.
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Why is a sponge different from other multicellular creatures?
A sponge is, in essence, a multicellular organism with no organs or tissues, but with specialized cells, which distinguishes it from small multicellular protists.
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What makes sponges unique among animals?
Sponges are characterized by the possession of a feeding system unique among animals. Poriferans don’t have mouths; instead, they have tiny pores in their outer walls through which water is drawn.
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How are sponges different from other animals quizlet?
What characteristics make sponges unique among other animals? Sponges do not have a mouth or gut, they are sessile as adults, they are not organized beyond the cellular level. This animal is organized around its canal system, through which flagellated cells called Choanocytes pump water.
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How are sponges different from other organisms?
Sponges are valuable from a scientific point of view because of their unusual cellular organization (the cells do not form tissues or organs such as those found in other animals), their ability to regenerate lost parts, and their biochemical features (they have many compounds not known in other animals).
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How are sponges and cnidarians different from other animals?
The sponges and the cnidarians represent the simplest of animals. Sponges appear to represent an early stage of multicellularity in the animal clade. Although they have specialized cells for particular functions, they lack true tissues in which specialized cells are organized into functional groups.
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