All animals are made up of cells
Circulatory system. This includes blood.
Answer:
The phylum Hemichordata is the one that could form an evolutionary connection between the chordates and non-chordates.
Explanation:
To the phylum Hemichordata belongs a genus that scientists believe could explain how the chordates could evolve from the non-chordates. This genus is Balanoglossus, of the class Enteropneusta.
Balanoglossus is similar to a worm, whose habitat is the seabed, and like other hemicordates it has a stomach, a structure that forms part of its digestive system and fulfills the functions of a spine.
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Chordates and non-chordates brainly.com/question/1387264
Answer: mitochondria
Explanation:
In all body cells, with the exception of a few, mitochondria are present. Depending on the function of that type of cell, there are typically several mitochondria present in one cell. Mitochondria are found along with other organelles of the cell in the cytoplasm of cells.