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Biology of plants

Plants: Aiga
Across
The seed-bearing part of a plant.
A small nectar-feeding tropical American bird who pollinate plants.
The dry fruit of a conifer.
The unit of reproduction of a flowering plant.
Without perfume
Modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators.
The process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water.
A long, thin supportive or main section of plant.
The male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament.
A colourless, transparent, odourless, liquid and is the basis of the fluids of living organisms.
Down
A tree which bears cones and needle-like or scale-like leaves that are typically evergreen.
The growth on a plant which develops into a leaf, flower, or shoot.
A substance that provides growth.
Process by which a plant grows from a seed.
A sugary fluid secreted within flowers to encourage pollination by insects.
The smallest structural and functional unit of an organism.
The female organs of a flower, comprising the stigma, style, and ovary.
A young plant, especially one raised from seed and not from a cutting.
The upper layer of earth in which plants grow.
The part of a plant which attaches it to the ground or to a support.
The part of a pistil that receives the pollen during pollination.