All animals in phylum chordata share which of the following features?

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22-04-2020
Biology

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All animals in phylum chordata share which of the following features?

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ashnaaasif27 ashnaaasif27 · Answer 1 · 2020-04-25T02:53:48+02:00

Answer:

All animals in the phylum Chordata share some key features that appear at some stage during their development 1) notochord 2) dorsal hollow nerve cord 3) pharyngeal slits

Explanation:

Phylum chordata is probably the most notable phylum.The most distinguishing character that all animals belonging to this phylum have is the presence of notochord. Phylum Chordata is again divided into three subphyla. They are:

Urochordata

Cephalaochordata

Vertebrata

Chordates show following features, at different stages in their life. They are:

Notochord: It is a longitudinal rod that is made of cartilage and runs between the nerve cord and the digestive tract. Its main function is to support the nerve cord. In Vertebrate animals, the vertebral column replaces the notochord.

Dorsal Nerve Cord : This is a bundle of nerve fibres which connects the brain to the muscles and other organs.

Pharyngeal slits: They are the openings which connect the mouth and the throat. These openings allow the entry of water through the mouth, without entering the digestive system.

aliasger2709 aliasger2709 · Answer 2 · 2022-01-01T08:03:43+01:00

The organisms are classified according to the attributes in the taxonomical classification in distinct ranks according to the resemblances and dissimilarity in their characteristics.

The organisms in phylum chordates shares the following characteristics:

Notochord

Pharyngeal slit

Dorsal nerve chord

Phylum Chordate can be explained as:

The presence of a notochord or backbone is the most defining feature of the phylum.

Subphylum of chordate encloses Urochordate, Cephalochordate's and Vertebrates.

The longitudinal rod-like structure present at the dorsal surface of organisms that supports the nerve cord is called a notochord.

The bundle of nerve fibers that connects the brain to muscles of the body are called the dorsal nerve cord.

The opening connecting the mouth and throat that allows the entry of water is called a pharyngeal slit.

Therefore, notochord, pharyngeal slits and nerve chord are the features of chordates.

To learn more about phylum chordate follow the link:

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