I have no clue bro. i have no clue bro
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The skin and nervous tissues develop from the ectoderm.
Answer:
Gas exchange
Explanation:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
<span>The trait that is ancestral to all chordates is the presence of a notochord...the others are gill slits and nerve chord</span>
Answer:
B a diverging boundary where two ocean plates move apart from one another
Explanation:
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