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Answered

  1. A flexible, supporting structure found only in chordates is the
Anerve net
Bnotochord
Cpharyngeal slits
Ddorsal fin.

  1. Ancient chordates are thought to be most closely related to which of the following species?
Aspiders
Bearthworms
Coctopi
Dsea stars

Verified Answer :

taskmasters

A flexible, supporting structure found only in chordates is the notochord. The correct option among all the options that are given in the question is the second option or option "B".

Ancient chordates are thought to be most closely related to sea stars. The correct option among all the options that are given in the question is the last option or option "D".

Answer:

1.b

2.d

3.b

4.b

5.b

Explanation:

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