Animal phyla is how animals can be classified according to body plan. The four types of body plans are sac like, acoelomate, pseudocoelomate, and coelomate.
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.
Mamalia and also Arthropoda -Tyler Smith
Animals have emotions, feelings and personalities just as humans do. Humans and animals share a wide range of similarities, from physically to mentally. Animals also think the same way as humans, they can also plan (For example: A plan to capture prey).
A body plan in which an organism can be divided along only one plan of their body to produce 2 mirror images.
A sac body plan consists of a walled sac surrounding a cavity with one single opening for both food intake and waste elimination.
small black animals but not tadpoles
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.
annelids
Nope, there are some that are asymmetrical. Like sponges.
true
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.
Nematoda- psuedocoelomates
the body plan
a mammal and a undomseticated feline
A tuna and other fishes have a thunniform body plan which is streamlined to minimize drag within the water.
Mamalia and also Arthropoda -Tyler Smith
radial smmatree