How do Cephalochordata reproduce?

How do Cephalochordata reproduce?

Cephalochordates reproduce by releasing their eggs and sperm into the water, where they are fertilized externally. The fertilized eggs develop into free-swimming larvae that drift in the water for up to 200 days, feeding on plankton and other suspended matter, before settling down as adults.

Which is an example of Cephalochordata?

Lampreys and Sea Squirts are some of the examples of cephalochordata.

Is Cephalochordata a hermaphrodite?

Generally, cephalochordates are separate sexes (gonochoric) and have great reproductive ability.

Which of the following belong to subphylum Cephalochordata?

Option A: Amphioxus, also called Branchiostoma is a member of the Cephalochordata. They possess segmented elongated bodies, notochord that extends the length of the body, extending from head to tail, persisting throughout the animal’s life, dorsal hollow nerve cord, pharyngeal slits, post-anal tail.

What is phylum Cephalochordata?

ChordateCephalochordate / Phylum

A cephalochordate (from Greek: κεφαλή kephalé, “head” and χορδή khordé, “chord”) is an animal in the chordate subphylum, Cephalochordata. They are commonly called Amphioxus or lancelets.

What are the excretory organ in Cephalochordata?

Amphioxus belongs to the subphylum Cephalochordata. Now, the excretory organ of Amphioxus is nephridium that has the similar function as that of kidney in vertebrates. This cell is found in pared form and expels the wastes from the body cavity to the exterior.

What is the phylum of Cephalochordata?

ChordateCephalochordate / Phylum

Which is the larval stage of Cephalochordata?

1. Larval tunicates swim for a few days after hatching, then attach to a marine surface and undergo metamorphosis into the sessile adult form. Lancelets (Cephalochordata) are marine organisms that possess all features of chordates; they are named Cephalochordata because the notochord extends into the head.

Which of the following belongs to subphylum Tunicata?

tunicate, also called urochordate, any member of the subphylum Tunicata (Urochordata) of the phylum Chordata. Small marine animals, they are found in great numbers throughout the seas of the world.

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