Question

section review 2.5

1. list four ways that monocots and dicots differ from each other.
2. which of the two main groups of angiosperms includes grasses, lilies, and palm trees?
3. what is the purpose of a lilys bulb?
4. how do corms and rhizomes differ?
5. at what place is the leaf attached to the stem of a grass plant?
6. name the creeping stem of a grass plant.
7. why are the grasses important?

Explanation:

1. Monocots have one cotyledon, parallel - veined leaves, flower parts in multiples of three, and a fibrous root system. Dicots have two cotyledons, net - veined leaves, flower parts in multiples of four or five, and a taproot system.
2. Monocots include grasses, lilies, and palm trees.
3. A lily's bulb stores food for the plant.
4. Corms are solid, vertical underground stems, while rhizomes are horizontal underground stems.
5. In a grass plant, the leaf is attached at the node.
6. The creeping stem of a grass plant is called a stolon.
7. Grasses are important as a food source for many animals, for soil conservation, and in agriculture for crops like wheat, rice, and corn.

Answer:

1. Monocots: one cotyledon, parallel - veined leaves, flower parts in 3s, fibrous roots. Dicots: two cotyledons, net - veined leaves, flower parts in 4s or 5s, taproot.
2. Monocots
3. Stores food
4. Corms are solid vertical stems, rhizomes are horizontal stems.
5. Node
6. Stolon
7. Food source, soil conservation, agricultural crops.