Vocal ligament Lies at the free upper edge of the cricothryoid ligament
Answer:
Echinoderms evolved from animals with bilateral symmetry. Although adult echinoderms possess pentaradial, or five-sided, symmetry, echinoderm larvae are ciliated, free-swimming organisms that organize in bilateral symmetry which makes them look like embryonic chordates.
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Explanation:
The answer is They help control what enters and leaves the cell
A catalyst speeds up or initiates a chemical reaction. Please mark Brainliest!!!
