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Which of the following best describes a fibrous root system? a. covers a limited surface and contains few roots b. consists of a single main root with adjacent smaller roots c. covers a large area and contains an extensive network of roots d. contains several major, interconnected roots

Short Answer

Expert verified
Option c: covers a large area and contains an extensive network of roots.

Step by step solution

01

Understand the problem

The question asks for the best description of a 'fibrous root system' among the given options.
02

Analyze the options

Examine each option to determine which one accurately describes a fibrous root system:
03

Option a Analysis

Option a states 'covers a limited surface and contains few roots'. A fibrous root system typically spreads out over a wide area.
04

Option b Analysis

Option b states 'consists of a single main root with adjacent smaller roots'. This describes a 'taproot system', not a fibrous root system.
05

Option c Analysis

Option c states 'covers a large area and contains an extensive network of roots'. This matches the spread-out nature of a fibrous root system.
06

Option d Analysis

Option d states 'contains several major, interconnected roots'. This description could be ambiguous but typically does not match the structure of a fibrous root system.
07

Choose the best description

Based on the analysis, the best description of a fibrous root system is 'c. covers a large area and contains an extensive network of roots'.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Root Types
Understanding the different root types is fundamental in plant biology. Roots are essential parts of a plant that absorb water and nutrients, anchor the plant, and sometimes store food. There are mainly two types of root systems: taproot and fibrous root systems.

The taproot system features a single, thick, main root that grows vertically downward. Smaller lateral roots branch off the main root. Examples of plants with taproot systems include carrots, dandelions, and beetroots.

In contrast, the fibrous root system has no primary root, but rather many roots of similar size that spread out from the base of the plant stem. These roots form a dense and wide network, which helps cover a large area to absorb nutrients and water more efficiently. Grass, wheat, and rice typically have fibrous root systems. Knowing the difference between these root systems helps in understanding how different plants adapt to their environments.
Plant Biology
Plant biology, or botany, is the study of plant life. It explores various aspects of plants including their structure, growth, reproduction, metabolism, development, diseases, and chemical properties.

Roots are a significant focus in plant biology because of the critical roles they play. They help in nutrient uptake, water transportation, and anchoring plants firmly into the soil.

Plants with fibrous root systems benefit from a greater surface area, which allows them to absorb water and nutrients from the soil more efficiently compared to the taproot system. Fibrous roots are particularly advantageous in preventing soil erosion, as they create a dense mat that holds the soil together.

Understanding plant biology and root systems is crucial for agriculture, horticulture, and environmental conservation. It enables better crop management and soil conservation techniques, enhancing food security and ecosystem health.
Plant Anatomy
Plant anatomy delves into the internal structure of plants. It helps us understand how different parts of the plant function together to sustain life.

The root system is integral to plant anatomy, comprising various parts such as root hairs, cortex, endodermis, and root cap.
  • The root hairs increase the surface area for water and nutrient absorption.

  • The cortex stores food and transports water from the root hairs to the central vascular cylinder.

  • The endodermis is a selective barrier that regulates the flow of nutrients and water into the plant.

  • The root cap protects the tip of the root as it pushes through the soil.
Knowing the inner workings of the plant’s root system, especially the fibrous root system, enhances our comprehension of plant survival strategies and resistance to environmental stress.

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Most popular questions from this chapter

Which adaptation is most likely to be found in a desert environment? a. broad leaves to capture sunlight b. spines instead of leaves c. needle-like leaves d. wide, flat leaves that can float

Modified stems give an advantage to plants. What advantage do rhizomes, stolons, and runners provide? What advantages do corms, tubers, and bulbs provide? a. Rhizomes, stolons and runners give rise to new plants that are the clones of the parents and they store food. Corms, tubers, and bulbs can also produce new plants. b. Rhizomes, stolons, and runners give rise to new plants that are the different from the parents. Corms, tubers, and bulbs can also produce new plants as well as store food. c. Rhizomes, stolons and runners give rise to new plants that are the clones of the parents. Corms, tubers, and bulbs can also produce new plants as well as store food. d. Rhizomes, stolons and runners give rise to new plants that are similar to the parents but show genetic variability. Corms, tubers, and bulbs can also produce new plants as well as store food.

Where is the vascular cambium located in an established woody plant? a. between the primary xylem and the primary phloem b. between the secondary xylem and the primary phloem c. between the secondary xylem and the secondary phloem d. between the primary xylem and the secondary phloem

Scientists label cells in the lateral meristem of a sapling with a dye to follow the developmental fate of the cells. After several weeks, sections are prepared from the sapling and observed under the microscope. Which tissues are most likely to be stained by the dye that was injected into the lateral meristem? a. Vascular tissue to transport nutrients and water b. The tip of plant to promote growth of plant c. Secondary xylem to increase girth of stem d. Epidermis to cover the plant

Which region of a plant is most likely to contribute to an increase in its length? a. tip of leaves b. dermal layer c. vascular bundles d. tip of the root

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