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What primitive group of animals has no true tissues and no specific distinct shape?
Wiki User
∙ 13y ago
Sponges
Wiki User
∙ 13y ago
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What is an example of organs that are composed with muscle?
a grouping of tissues into a distinct structure, as a heart or kidney in animals or a leaf or stamen in plants, that performs a specialized task.
Do roundworms have tissues and organs?
Yes. Somewhat simpler than us, but not primitive.
Consumers that feed on tissues of dead animals?
consumers that deed on the tissues of dead animals
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 would be the evolutionary advantage of developing true tissues?
tissues are made up of a group of cells that work together to perform a specific function. Animals with tissues can develop organs, like the kidney. These organs in turn, help the animal maintain homeostasis.
Do arthropods have tissues?
Yes, arthropods have tissues. These tissues are organized into different organs and systems that perform specific functions in the body, such as digestion, circulation, and movement.
What is an organ in the sense of biology?
In biology an organ is a group of tissues that form a distinct structure, for example a heart or kidney in animals or a leaf or stamen in plants. The organ performs a specialized task.
Which animals contains tissues but lack complex organs?
There are quite a few animals that contain tissues but lack complex organs. One of these animals is the jellyfish.
Disorders of collagen are characterized by deterioration of connective tissues why would you expect such diseases to produce widely varying symptoms?
Because there are different types of collagen that have distinct functions and are found in specific places in the body.
Tissues combine to form what in an animals body?
Tissues combine to form an organ.
What is the definition of tissues?
Ground tissue which makes up the bulk of a plant.
What phylum is most primitive?
Porifera (sponges) is considered one of the most primitive phyla because they lack true tissues and organs, and exhibit a simple body plan without symmetry.
