The invertebrate chordates include Tunicates and lancelets.
<h3>What are invertebrate chordates?</h3>
They are a group of chordates that possess notochords somewhere in their life span but end up not possessing the vertebral column. They possess all the characteristics of chordates.
Invertebrate chordates include the Urochordata which are the Tunicates and the Cephalochordata which are the lancelets.
More on invertebrate chordates can be found here: brainly.com/question/1969651
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Answer:
The answer is D. I hope this was helpful!
Explanation:
Answer:
Pacemaker cells are located in the <u>sinoatrial node.</u>
Contractile cells are located in the <u>Heart</u>
Explanation:
