Carpel and stamen

1.

Reproduction
Key concept: Relationship
Related concept: Consequences, Form, Pattern
Global context: Personal and cultural expression
Statement of inquiry:
The relationships between specific organisms are
affected by their form of reproduction.

2.

Sketch the structure of a flower, labeling the gametes
Assessment criteria:
1. Sketch the structure of the flower
2. Label the name of the structural components.

3.

Structure of a flower

4.

Flower Dissection - Reproduction in flowering plants
• https://www.youtube.com/watch?v=493WeySyf-8

5.

6.

Structure of a flower. Petal
Petal is a thin part of a flower that resembles a petiole. It is attached to
the stem through its mouth.

7.

Structure of a flower. Sepal
A sepal is a part of the flower. Usually green, sepals typically function as
protection for the flower in bud, and often as support for the petals when in
bloom.

8.

Structure of a flower. Carpel
Carpel is the ovule-bearing female reproductive organ of flowering plants and is
required to ensure its protection, an efficient fertilization, and the development of
diversified types of fruits, thereby it is a vital element of most food crops.

9.

Structure of a flower. Stamen
The stamen is the pollen-producing male reproductive organ of a flower.

10.

Structure of a flower. Carpel. Ovary. Ovule
In the flowering plants, an ovary is a part of the female reproductive organ of the
flower or gynoecium.
The ovule is the organ that forms the seeds of flowering plants.
Megasporangium
Megaspore Mother sell
Lily ovary (transverse section)
Lily ovule (coronal section)

11.

Structure of a flower. Stamen. Anther. Pollen
Pollen is a powdery substance produced by seed plants. It consists of pollen grains which
produce male gametes (sperm cells).

12.

Sketch the structure of a flower, labeling the gametes
Assessment criteria:
1. Sketch the structure of the flower
2. Label the name of the structural components.