- Flowering plants appeared _____
- Approximately _____ of flowering plants are insect pollinated
- Morphologically, a flower is a modified ____
- Morphologically, the pistil of a flower is one or more carpels, and a carpel is the ____
- The carpels are the _________ parts of flowers.
- The placenta is the ____
- Flowers are said to be perfect if they ____
- A species is said to be monoecious if ____
- If staminate and carpellate flowers are found on separate plants, the species is said to be ____
- Symmetry in flowers has _______ main forms
- The exine layer of pollen grains is composed of ____
- Pollen grains are ______ in the fossil record.
- The funiculus and the micropyle are found on ____
- Compared with those of gymnosperms, the pollen tubes of most angiosperms ____
- The union of one sperm cell with the egg, and the other sperm cell with the polar nuclei leads to the formation of an embryo and ____
- The “angio” in angiosperm refers to the fact that ____
- The flowering plants have dominated the land for over ________ million years
- Irises, bananas and Trillium are examples of __________.
- The flower is a __________.
- The part of the flower stalk to which the flower parts are attached is the ____
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