Plants

Definitions on: Chlorophyll, Ovary, Photosynthesis, Pollination, Seed, Spore, Transpiration.
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Photoperiodism definition: A plant’s response to changes in the length of day and night.
Photoperiodism - Easy Science
Photoperiodism: A plant’s response to changes in the length of day and night.
Thigmotropism definition: The response of a plant when it touches an object, like a vine coiling around a pole.
Thigmotropism - Easy Science
Thigmotropism: The response of a plant when it touches an object, like a vine coiling around a pole.
Gravitropism definition: The growth of plants caused by gravity, stems grow upwards and roots grow downwards.
Gravitropism - Easy Science
Gravitropism: The growth of plants caused by gravity, stems grow upwards and roots grow downwards.
Gibberellin definition: A plant hormone that stimulates cell growth.
Gibberellin - Easy Science
Gibberellin: A plant hormone that stimulates cell growth.
Cytokinin definition: A plant hormone that stimulates cell division to grow roots, fruits, and branches.
Cytokinin - Easy Science
Cytokinin: A plant hormone that stimulates cell division to grow roots, fruits, and branches.
Carpel definition: The ovary, style, and stigma in flowering plants, it produces female gametophytes.
Carpel - Easy Science
Carpel: The ovary, style, and stigma in flowering plants, it produces female gametophytes.
Short Day Plant definition: A plant that requires more than 12 hours of darkness to flower.
Short Day Plant - Easy Science
Short Day Plant: A plant that requires more than 12 hours of darkness to flower.
Ethylene definition: A gaseous plant hormone that ripens fruit.
Ethylene - Easy Science
Ethylene: A gaseous plant hormone that ripens fruit.
Endosperm definition: Food-rich tissue that nourishes an angiosperm embryo as it grows.
Endosperm - Easy Science
Endosperm: Food-rich tissue that nourishes an angiosperm embryo as it grows.
Auxin definition: A plant hormone that that stimulates cell elongation.
Auxin - Easy Science
Auxin: A plant hormone that that stimulates cell elongation.
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Anther definition: The pollen-producing structure of a flower’s stamen.
Anther - Easy Science
Anther: The pollen-producing structure of a flower’s stamen.
Double Fertilization definition: Fertilization in angiosperms, which produces a diploid zygote and triploid endosperm.
Double Fertilization - Easy Science
Double Fertilization: Fertilization in angiosperms, which produces a diploid zygote and triploid endosperm.
Dormancy definition: A period where an organism is alive but inactive and does not grow.
Dormancy - Easy Science
Dormancy: A period where an organism is alive but inactive and does not grow.
Phototropism definition: The growth of a plant towards a light source.
Phototropism - Easy Science
Phototropism: The growth of a plant towards a light source.
Long Day Plant definition: A plant that flowers when the days are long (over 12-14 hours of light).
Long Day Plant - Easy Science
Long Day Plant: A plant that flowers when the days are long (over 12-14 hours of light).