Kategorier: Alle - fertilisation - pollination - function - structures

av nguyen hoang 5 år siden

232

Flower

Plants reproduce through both sexual and asexual methods. Asexual reproduction involves a single parent plant generating new plants from its roots or leaves. In contrast, sexual reproduction requires two plants and the formation of seeds and fruit through specialized cells.

Flower

Flower

Pollination

Sexual reproduction: involve the production of fruit and seeds from specialized cells of two plants
Asexual reproduction: the parent plant grow new plants from it root, leaves,…

Germination

Subtopic

Seed label

Cotyledon: (seed leaves)
micropyle: hole made by pollen tube
Radicle: (Embryo shoot)
Plumule: (Embryo Shoot)
tesla: A tough seed coat

Fertilisation

Action:

structures

Petal
recepticle
sepal
Female
Ovary

ovule

Stigma

Style

Male
Anthem

Filament

Function of structures

Sepal: Special leaves form ring around the bottom. Protect the buds
receptacle: top part of the stalk where the flower connect
Ovary: egg stored there, join with pollen
stigma: sticky to catch pollen
Style: support the stigma
Anther: part of the stamen, contain pollen
Filament: support and hold anther