Mark all key innovation of spermatophyta

Reference no: EM13113715

Mark all key innovation of Spermatophyta over their ancestors (synapomophy)

Choose at least one answer.

a. Lignin
b. Ovule
c. Vascular System
d. Flower
e. Secondary thickening of the stem and root
f. Lateral terminate branches or megaphylls.

Reference no: EM13113715

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