Which of the following statements is false? (a) primary...

Name: Problem 3, Chapter 35: Biology
Uploaded: 2021-08-06T21:07:45-08:00
Duration: 1 min 33 s
Channel: Danielle Ashley
Description: Which of the following statements is false? (a) primary growth is an increase in the length of a plant (b) primary growth occurs at both apical and lateral meristems (c) all plants have primary growth (d) herbaceous stems have primary growth, whereas woody stems have both primary and secondary growth (e) buds are embryonic shoots that contain apical meristems

Which of the following statements is false? (a) primary growth is an increase in the length of a plant (b) primary growth occurs at both apical and lateral meristems (c) all plants have primary growth (d) herbaceous stems have primary growth, whereas woody stems have both primary and secondary growth (e) buds are embryonic shoots that contain apical meristems

Key Concepts

Primary Growth

Primary growth refers to the increase in length of a plant, typically resulting from cell division and elongation at the apical meristems. It is a fundamental developmental process that allows plants to extend their shoots and roots, enabling them to access more light and nutrients from their environment.

Secondary Growth

Secondary growth is the process by which plants increase in girth or thickness, primarily through the activity of lateral meristems such as the vascular cambium and cork cambium. This type of growth is especially prominent in woody plants and is key to the formation of wood and bark.

Apical Meristem

The apical meristem is a region of undifferentiated cells located at the tips of shoots and roots. It is responsible for primary growth, enabling the elongation of the plant body through continuous cell division, and is crucial for establishing the overall structural plan of the plant.

Lateral Meristem

The lateral meristem, which includes structures like the vascular cambium and cork cambium, contributes to the thickening of the plant organs through secondary growth. It is responsible for producing new layers of vascular and protective tissue, and its activity is most evident in woody plants.

Buds

Buds are embryonic shoots that contain meristematic tissues, most notably the apical meristem. They serve as the growth points for new leaves, flowers, and sometimes secondary shoots, playing a critical role in the development and regeneration of plant structures.

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