Question

(a) write the components and function of plants tissue system
(b) classify the tissues based on their to divided​

Answer 1

Answer:

Plant Development I: Tissue differentiation and function

Learning Objectives

Describe features, functions, and composition of plant organs, tissues, and cell types

Relate morphology (roots, shoots, leaves, tissue systems, cell types) to function

Differentiate monocot and eudicot body plan characteristics

Recognize relationships between embryonic structures and mature plant morphology

Plant body organization

Like animals, plants are multicellular eukaryotes whose bodies are composed of organs, tissues, and cells with highly specialized functions. The relationships between plant organs, tissues, and cell types are illustrated below.



The stems and leaves together make up the shoot system. Each organ (roots, stems, and leaves) include all three tissue types (ground, vascular, and dermal). Different cell types comprise each tissue type, and the structure of each cell type influences the function of the tissue it comprises. We will go through each of the organs, tissues, and cell types in greater detail below.

Plant Organ Systems

The text below was adapted from OpenStax Biology 30.1

Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot systemconsists stems, leaves, and the reproductive parts of the plant (flowers and fruits). The shoot system generally grows above ground, where it absorbs the light needed for photosynthesis. The root system, which supports the plants and absorbs water and minerals, is usually underground. The organ systems of a typical plant are illustrated below.



The shoot system of a plant consists of leaves, stems, flowers, and fruits. The root system anchors the plant while absorbing water and minerals from the soil. Image credit: OpenStax Biology.

We’ll look at each of these levels of plant organization in turn, and conclude with a discussion of how embryogenesis leads to development of a mature plant:

The Root System

The text below was adapted from OpenStax Biology 30.3

The roots of seed plants have three major functions: anchoring the plant to the soil, absorbing water and minerals and transporting them upwards, and storing the products of photosynthesis. Some roots are modified to absorb moisture and exchange gases. Most roots are underground. Some plants, however, also have adventitious roots, which emerge above the ground from the shoot.

Root systems are mainly of two types (shown below):

Tap root systems have a main root that grows down vertically, and from which many smaller lateral roots arise. Tap roots penetrate deep into the soil and are advantageous for plants growing in dry soils. Tap roots are typical of dicots such as dandelions.

Fibrous root systems are located closer to the surface and have a dense network of roots. Fibrous root systems can help prevent soil erosion. Fibrous roots are typical of monocots such as grasses.

Explanation:

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Answer 2

Explanation:

• Their main function is to provide strength and support to parts of the plant.
• Based on the dividing capacity of the tissues, various plant tissues can be classified as growing or meristematic tissue and permanent tissue