Answer:
No entendí bien la pegunta pero a.a. significa aminoácidos, espero que te sirva de algo.
Answer:
contractile vacuole
Explanation:
contractile vacuole is used for balance of water,salt etc
Answer:
mantle i believe the answer should be mantle
I think it’s C not completely sure but it’s the most likely there isn’t anything with mechanical so this would be most likely
The directed movement of substances, into, out of or within a cell, either in a vascular tissue or in the vascular membrane.
The main roles of plant stems and roots are to transport substances around the plant. They have two types of transport systems – xylem and phloem . Xylem transports water and minerals. Phloem transports sugars and amino acids dissolved in water.
hope it helps because there is not any issue of transport , and if my answer i s not supportable comment i will provid emore information.