Permanent Tissues-Complex Tissues-Phloem Homework Help Get Permanent Tissues-Complex Tissues-Phloem Homework Help by Tutorspoint at your convenience available 24/7. Permanent Tissues – Complex Tissues – Phloem Phloem: Phloem is responsible for transporting food materials synthesized in leaves to other parts of the plant. In angiosperms, the phloem is composed of four different elements namely, sieve tube…