Both chordates and invertebrates have pharyngeal pouches
Isotonic since in a hypertonic solution the cell would shrivel up and in a hypotonic solution it would lyse (burst).
In this population, what will occur is that there will be no evolution. Mutation is neccessary and important because they provide varitations that can result in evolutionary change. Other factors needed for evolution to occur are migration and selective pressure.
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Answer:
i think it's B
couse from my knowledge is that <em><u>respiration</u></em><em><u> </u></em>is the intake of carbon dioxide and form it into oxygen
