Answer:
The right answer is false. There are three different groups of phylum for worms
Explanation:
The correct answer is Salinity.
Salinity refers to the principal characteristic that determines whether an aquatic ecosystem is classified as marine or freshwater. It is the measure of all the salts dissolved in water. It is usually measured in parts per thousand.
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Derotative righting, labyrinthine righting, and parachute are all examples of:
</span><span>postural reactions.</span>