Question

section review 3.3

1. explain the characteristics of simple fruits, aggregate fruits, and multiple fruits and give an example of each.
2. why are the cereal grains considered the most important fruits?
3. make a chart showing the characteristics of berries, drupes, pomes, legumes, samaras, nuts, grains, and achenes.

Explanation:

1. Simple fruits: Develop from a single ovary of a single flower. Example: apple. Aggregate fruits: Form from multiple ovaries of a single flower. Example: raspberry. Multiple fruits: Develop from the ovaries of multiple flowers. Example: pineapple.
2. Cereal grains are important as they are a staple food source for a large part of the world's population, providing carbohydrates, proteins, and other nutrients.

3.

Fruit Type	Characteristics
Drupes	Have a single - large seed (pit) surrounded by a fleshy outer layer.
Pomes	Fleshy accessory tissue surrounding the ovary, core with seeds.
Legumes	Pod - like, split open to release seeds.
Samaras	Have a wing - like structure for wind dispersal.
Nuts	Hard - shelled, single - seeded fruit.
Grains	Dry, one - seeded fruit where the seed coat is fused to the fruit wall.
Achenes	Small, dry, one - seeded fruit with the seed attached to the fruit wall at one point.

Answer:

1. Simple fruits: Develop from single ovary of single flower, e.g., apple. Aggregate fruits: From multiple ovaries of single flower, e.g., raspberry. Multiple fruits: From ovaries of multiple flowers, e.g., pineapple.
2. Cereal grains are important as they are a staple food source, providing nutrients.
3. See the above - created chart.