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A carrot is an example of a tap root. Which of these can also be classified as a tap root? a. the large network of superficial roots of a cactus b. a dandelion anchored by a long main root that penetrates deep into the soil c. a banyan tree’s system of roots that dangle from the branches d. a round organ that stores carbohydrates

Short Answer

Expert verified
Option b: dandelion

Step by step solution

01

Understand the Definition

A tap root is a large, central, and dominant root from which other roots sprout laterally. Typically, it goes deep into the soil and provides stable anchorage for the plant.
02

Analyze Option a

Option a describes the large network of superficial roots of a cactus. These are not tap roots, as they are spread out and do not penetrate deeply.
03

Analyze Option b

Option b describes a dandelion anchored by a long main root that penetrates deep into the soil. This matches the description of a tap root.
04

Analyze Option c

Option c describes a banyan tree’s system of roots that dangle from the branches. These are aerial roots, not a single deep-penetrating main root.
05

Analyze Option d

Option d describes a round organ that stores carbohydrates. This is typically a tuber, which is not the same as a tap root.
06

Conclusion

After analyzing all the options, the dandelion with its long main root is the one that can be classified as a tap root.

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Key Concepts

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

Root System
Plants have different types of root systems which are crucial for their growth and stability. The two main categories of root systems are tap roots and fibrous roots.
Tap roots consist of one large, central root that grows deep into the soil, with smaller lateral roots branching off. This system allows the plant to access water and nutrients from deeper layers of soil.
In contrast, fibrous root systems are made up of many small roots that spread out near the surface of the soil. These roots are great for preventing soil erosion and accessing nutrients in the topsoil.
Understanding different root systems helps in identifying how various plants survive and thrive in their environments.
Plant Physiology
Plant physiology is the study of how plants function, including their growth, metabolism, and reproduction. Knowing the different types of root systems, like tap roots, helps in understanding plant physiology because roots play a key role in nutrient and water uptake.
The tap root system is essential in plants like carrots and dandelions because:
  • Tap roots reach deep water sources
  • They provide strong anchorage
  • Help in nutrient access from deeper soil layers
The efficiency of these roots in anchorage and nutrient absorption can significantly affect the overall health and growth of the plant.
Studying these aspects can reveal a lot about how plants adapt to their habitats and how they can be cultivated more effectively.
Dandelion
The dandelion is a common flower with a very particular root system, making it a great example for studying tap roots. When you look at a dandelion, you'll notice that it has a long, thick root that goes deep into the soil. This root is a good example of a tap root.
This type of root helps the dandelion in several ways:
  • Deep anchorage keeps the plant stable
  • Access to underground water sources
  • Storage of nutrients for future growth
Because of its tap root, the dandelion can survive in various harsh conditions. It can be found almost everywhere, from gardens to sidewalks.
Understanding the dandelion's root system helps clarify why this plant is so resilient and how it efficiently gathers nutrients and water for survival.

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