While Several Invertebrate Groups (Phyla)have in the Past Been Proposed

question 35

Short Answer

While several invertebrate groups (phyla)have in the past been proposed as chordate ancestors,embryological evidence indicates the chordates are most probably a sister group to the _____________.

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Definitions:

Cotton-Tipped

A small applicator with a cotton tip used for medical or cosmetic purposes to apply or remove substances gently.

Prostatitis

Inflammation of the prostate gland, which can lead to urinary tract symptoms and pain.

Dysuria

Pain or discomfort when urinating, often indicative of a urinary tract infection or other urinary system issues.

Urination

The process of expelling urine from the bladder through the urethra to the outside of the body.