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What is a sac body plan?
A sac body plan is a simple body organization found in some animals, where the body consists of a central cavity surrounded by a single layer of cells. This cavity acts as a digestive chamber where food is taken in and digested. Examples of animals with a sac body plan include cnidarians like jellyfish and sea anemones.
What phyla of animals have a segmented body plan?
Animals with a segmented body plan belong to the phyla Arthropoda, Annelida, and Chordata. Segmentation involves the repetition of body units along the length of the organism, which can be seen in arthropods with their jointed limbs, annelids with their repeated segments, and chordates during embryonic development.
How are advanced and primitive evolutinary forms for the traits of symmetry digestive system and segmentation different?
Primitive life forms tend to be asymmetrical with no body plan, while advanced forms have either radial or bilateral symmetry, which are both detailed body plans. Primitive animals also have a sac-like body plan with no specialized organs for digestion, while advanced animals have a tube within a tube body plan that contains specialized digestive organs for more efficient digestion. Primitive animals have very basic, unsegmented bodies with no appendages, while advanced animals have segmented bodies that allow for specialized limbs and body parts.
What are facts about bilateral symmetry?
A body plan in which an organism can be divided along only one plan of their body to produce 2 mirror images.
What are bilaterally symmetrical animals with three germ layers and no coelom?
Bilaterally symmetrical animals with three germ layers and no coelom are referred to as acoelomates. Examples of such animals include flatworms (phylum Platyhelminthes), which possess a simple body plan with a solid tissue structure and lack a body cavity. These organisms exhibit bilateral symmetry and develop from three germ layers: ectoderm, mesoderm, and endoderm. Acoelomates typically have a more primitive organizational level compared to coelomate animals.
What is a body plan with no symmetry?
small black animals but not tadpoles
What is a coelom body plan?
Coelom is a greek work literally meaning body cavity.A body cavity is a space between the alimentary canal and body wall. When it is lined by a layer of mesoderm, then it is called a true coelom. Depending upon this the animals are classified intoAcoelomates - Animals which don't have body cavity. Eg: PlatyhelminthesPseudocoelomates - Animals in which the body cavity is formed from embryonic blastocoel. This blastocoel acts as a body cavity in adults. Eg: AschelminthesSchizocoelomates - Animals in which the body cavity formed by splitting of mesoderm. Eg: Annelida, Arthropoda and MolluscaEnterocoelomates - Animals in which body cavity is derived from entero-mesoderm. Eg: Echinodermata, Hemichordata and chordata.
Do all animals have a symmetrical body plan?
Nope, there are some that are asymmetrical. Like sponges.
What is a sac body plan?
A sac body plan is a simple body organization found in some animals, where the body consists of a central cavity surrounded by a single layer of cells. This cavity acts as a digestive chamber where food is taken in and digested. Examples of animals with a sac body plan include cnidarians like jellyfish and sea anemones.
Is a body plan a term used to describe an animals shape symmetry and internal organization?
true
Animals whose basic body plan can be described as a tube within a tube are the?
Animals whose basic body plan can be described as a tube within a tube are the bilaterians, including insects, mammals, reptiles, and birds. This means they have a central digestive tube (gut) within a central nervous system. This body plan allows for efficient organization of internal organs and specialization of body regions.
Animals with a body cavity lined with tissue from the mesoderm are?
Animals with a body cavity lined with tissue from the mesoderm are known as coelomates. This type of body plan is found in more complex animals such as annelids, mollusks, arthropods, echinoderms, and chordates. Having a coelom allows for more complex organ systems and better body movement.
What is the body plan of a queen conch?
the body plan
What phyla of animals have a segmented body plan?
Animals with a segmented body plan belong to the phyla Arthropoda, Annelida, and Chordata. Segmentation involves the repetition of body units along the length of the organism, which can be seen in arthropods with their jointed limbs, annelids with their repeated segments, and chordates during embryonic development.
What is the shape of animals in open ocean?
A tuna and other fishes have a thunniform body plan which is streamlined to minimize drag within the water.
In ssp plan how is the tiger classified?
a mammal and a undomseticated feline
Which phylum of animals has a body plan that is essentially a tube within a tube?
The phylum that has a body plan that is essentially a tube within a tube is the Phylum Platyhelminthes, which includes flatworms. They have a simple body structure with a digestive tract that is a tube running from mouth to anus along the central axis of their body.
