<span>autotrophs Hope this helps. :)
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Echinoderms, like chordates, are deuterostomes and are therefore thought to be the most closely related of the major phyla to the chordates
Answer:
A student has been studying electrical circuits in class. The student suggests that replacing a wire with rubber tubing will stop the current from flowing through a circuit. Which term best describes this idea?
Hypothesis
Explanation:
From the analogy, it is expedient to know that the student assertion about the electrical circuits was an hypothesis because it gives room for further investigation by other scholars.
pretty sure it is an ultrasound
