search
arrow-left Previous
Next arrow-right
Q: Which of the following is true about non–chordates?
  • A. Heart is ventral
  • B. Gill slits are absent
  • C. A post–anal part (tail) is present
  • D. Notochord is present
Correct Answer: Option B - The non-chordata are organisms with no chordata/notochord-rod like elastic structure that supports the body. There are many lower species, it ranges from amoebas to snails, earthworms and sponges. Gill slits are absent in non-chordates.
B. The non-chordata are organisms with no chordata/notochord-rod like elastic structure that supports the body. There are many lower species, it ranges from amoebas to snails, earthworms and sponges. Gill slits are absent in non-chordates.

Explanations:

The non-chordata are organisms with no chordata/notochord-rod like elastic structure that supports the body. There are many lower species, it ranges from amoebas to snails, earthworms and sponges. Gill slits are absent in non-chordates.