By contracting muscles in their body.
Yes. Lancelets are fish and all fish are ectothermic.
chordates
Chordates such as the sea squirts and lancelets do not have a backbone that is why they are called vertebrate chordates.
yes
Yes, lancelets are deuterostomes. Deuterostomes are a group of animals characterized by their embryonic development, in which the blastopore becomes the anus. Lancelets belong to the phylum Chordata along with vertebrates, and they exhibit deuterostome development.
No, lancelets do not have a backbone. They are small, fish-like marine invertebrates that belong to the subphylum Cephalochordata and possess a notochord instead of a true backbone.
Acoelomate
They're filter feeders
bony jaws
Tunicates and lancelets are two subphyla of animals that are classified as Chordata. This means that they have dorsal nerve cords as well as notochords.
Yes, lancelets do have pharyngeal pouches. These pouches are openings in the pharynx that are important for filter feeding and gas exchange in these small marine animals.
a vertibrate