If a flower has all of the parts c, d, e, and f in Question 13, they are said to be _______________ flowers. If they are missing any of these parts, they are said to be ________________________ flowers. Parts e and f are especially important because they produce the reproductive cells, the spores. If a flower has both e and f in Question 13, they are _____________________ flowers. If they are missing either e or f or both, they are _______________ flowers.

Review Questions 13

c. The parts that are usually green and protect the flower bud as it develops
d. The parts that attract pollinators
e. The parts that produce pollen
f. The parts that receive pollen and which contain ovules