Solve these clues to fill the grid.
- Green parts of a tree that fall in autumn
- 7 Across
- Creation by the physical union of male and female gametes
- 10 Across
- A slender or elongated structure that supports a plant or fungus or a plant part or plant organ
- 11 Across
- The fine spores that contain male gametes and that are borne by an anther in a flowering plant
- 12 Across
- One of usually two organs that produce ova and secrete estrogen and progesterone
- 13 Across
- The usually underground organ that lacks buds or leaves or nodes (plural)
- 14 Across
- Moving air
- 16 Across
- The act of ___ or diffusing something
- 1 Down
- Part of the perianth that is usually brightly colored (plural)
- 2 Down
- A living organism characterized by voluntary movement
- 3 Down
- Transfer of pollen from the anther to the stigma of a plant
- 4 Down
- A small body that contains the female germ cell of a plant
- 5 Down
- Sweet food that grows on plants
- 6 Down
- The male reproductive organ of a flower
- 8 Down
- The apical end of the style where deposited pollen enters the pistil
- 9 Down
- A small hard fruit
- 15 Down