1.4: Shoot System
- Page ID
- 73753
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What is the function of plant shoot system? Plant shoot system of Angiosperms (a.k.a., flowering plants) are composed of stem and stem-attached organs such as leaves, buds, and flowers. The stem of a plant is the primary axis that supports plant leaves and reproductive structures. Furthermore, the stem provides water and minerals to above-ground parts, whereas roots transport photosynthates from source to sink tissues.
- Primary Xylem [has vessels and tracheids]: produced by procambium then protoxylem and then metaxylem. Transports water and solutes. Their cells are non-living.
- Primary Phloem [has sieve tube elements and companion cells]: produced by procambium. Transports sugars, hormones, and aminoacids from source to sink. Their cells have nucleus.
Leaves are the greenish organ that are considered plant’s primary food manufacturing location. Leaves are very diverse in terms of their morphology and architecture. Moreover, leaves are used often in plant identification because of their unique patterns of leaf shape, color, and architectural patterns.
- SLO 04.01: Apply the best practices for learning plant shoot system
- SLO 04.02: List basic function of shoot, stem, and leaf
- SLO 04.03: Explain why leaves change color
- SLO 04.04: Define shoot apical dominance in plants
- SLO 04.05: Identify given plant species with their scientific names based on their key features
- SLO 04.06: 9. List six major groups of modified stem and modified leaves with examples
- SLO 04.07: Draw and label C3, C4, and CAM leaves according to the photosynthesis type
- Assessment 04.3.1: TRUE or FALSE: The biggest leaf known belongs to Raffia palm.
- Assessment 04.3.2: TRUE or FALSE: Carnivorous plants have modified leaves for capturing small animals to digest and get N.
- Assessment 04.3.3: Compare and contrast monocot leaves and dicot leaves.
- Assessment 04.3.4: Explain how p-proteins protect phloem as damage control.
- TRUE
- TRUE
- While monocot leaves have parallel arrangement, dicot leaves have web-like arrangement
- P proteins are also known as “phloem-specific proteins” seal off by plugging damaged sieve element location