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No, sponges do not have true tissues like other animals. They are classified as Porifera and are considered the simplest animals, lacking specialized tissues and organs. Sponges have a porous body structure with specialized cells but no distinct tissue layers.
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What are the primary characteristics of animals that are not exhibited in sponges?
Sponges do have some differentiated cells that have different functions but they don't have true tissues like all other animals and plants do. Even though they're included in the Animal kingdom they also symmetry, which most other animals have.
What is the key characteristic of sponges?
Sponges are simple, multi-cellular organisms that lack true tissues and organs. They have a porous body with specialized cells called collar cells that help them filter and consume food particles from their environment.
What class is a sea sponge in?
Sponges are classified as "animals" of the phylum Porifera. However, they have several characteristics in common with plants. Most have no specialized tissues or organs, and depend on the flow of sea water to provide oxygen and nutrients.
Why are sponges considered to be primitive animals?
Sponges are considered primitive animals because they lack true tissues and organs, have a simple body plan, and rely on a filtering system to feed. They represent one of the earliest branches in the evolutionary tree of animals, dating back to over 500 million years ago.
What are some examples of hexactinellida sponges?
Glass sponges
Which knigdom can develop tissues?
All animals except sponges
What phylum do sponges blong to?
Sponges belong to the phylum Porifera. They are multicellular aquatic animals that lack tissues and organs.
What does it mean when sponges have no true tissues?
Similar cells do not cooperate together.
What level of organization in missing in sponges?
tissues, organs, and organ system
What does body organs do sponges have?
sponges have no cells which means no tissues and that means no organs because of what the cycle is there would not be any organs in the body of a sponge
What is the only animal phylum that does not have tissues and symmetry?
The phylum Porifera (sponges) is the only animal phylum that lacks true tissues and symmetry. Sponges are simple multicellular organisms with specialized cells, but they do not have tissues that are organized into distinct structures like other animals. Additionally, sponges exhibit asymmetry rather than bilateral or radial symmetry found in other phyla.
What primitive group of animals has no true tissues and no specific distinct shape?
Sponges
Do sea sponges have a diploblastic or triploblastic body organization?
spoges are diploblastic because they have radial symmetryone's having rad. sym. are diplo.and one's having bilateral are triploblasticThis is a true statement, but what we find in animal biology is that there are exceptions to most of the rules. Sponges, or the phylum Porifera do not have true tissues. They are metazoa at their cellular grade of construction, not eumetazoa. If you look at phylogenic tree, you will see that sponges are not directly related to cnidarians, which are radial symmetric and diploblastic. Some sponges are radial symmetric, however the class of sponges, demospongiae, have many species of sponges which have leuconoid body-plans, which are asymmetrical. These are mostly freshwater sponges. So therefore, sponges are not triploblastic or diploblastic, they are neither since they possess no true tissues.
What kingdom and phylum do sponges belong to?
Sponges or poriferans are animals of the phylum Porifera.Sponges are divided into the following classes mainly according to the compositions of their skeletons:1.Calcarea2.Glass sponges3.Demosponges
How many embryonic tissues does a sponge have?
Sponges have two germ layers therefore they are diploblastic.
Name the only type of animal that lack groups of cells that form tissues?
The sponges.
What is the phylum of scypha?
The phylum of scypha is Porifera, also known as sponges. Sponges are simple, multicellular aquatic animals that lack true tissues and organs.
