ancestral chordate = no true heart

gills+LIFE ON LAND

1 answer

The statement "ancestral chordate = no true heart" is not entirely accurate. While it is true that the earliest chordates did not possess a true heart like more evolved organisms, they did have a simple circulatory system that pumped fluid throughout their bodies.

As for the second part of the statement, "gills+LIFE ON LAND," it is not entirely clear what is being conveyed. Chordates do indeed possess gills, which are respiratory organs used for extracting oxygen from water. However, as chordates evolved and adapted to life on land, many species developed lungs or other respiratory structures to obtain oxygen from the atmosphere.

It is important to note that as organisms evolve and adapt to different environments, their anatomical features can change and develop new traits to suit their needs. Therefore, it would not be accurate to categorize all ancestral chordates as lacking a true heart or unable to live on land.
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