/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 30 In environments where light is s... [FREE SOLUTION] | 91Ó°ÊÓ

91Ó°ÊÓ

In environments where light is scarce, some plants grow on other plants to reach light. Which root system would best support this mode of life? a. Epiphytic root system in the air b. Prop roots that support the trees to stand in muddy soil c. Adventitious roots that grow above ground d. Taproots that penetrate the soil

Short Answer

Expert verified
a. Epiphytic root system in the air

Step by step solution

01

- Understand the Context

Identify the main requirement: Plants need to reach light in environments where light is scarce.
02

- Analyze Option a

Option a describes an epiphytic root system in the air. These roots allow plants to grow on other plants, absorbing moisture and nutrients from the air.
03

- Analyze Option b

Option b describes prop roots that support trees in muddy soil. These roots provide stability rather than helping to reach light.
04

- Analyze Option c

Option c describes adventitious roots that grow above ground. These roots help plants in a variety of ways, including support and resource acquisition, but may not necessarily help reach for light.
05

- Analyze Option d

Option d describes taproots that penetrate the soil. Taproots are primarily used for deep anchoring and storage, rather than assisting with reaching light.
06

- Choose the Best Option

Based on the analyses, the epiphytic root system (Option a) is the best choice as it specifically supports plants growing on other plants to reach light.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91Ó°ÊÓ!

Key Concepts

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

plant adaptations
Plants have evolved a variety of adaptations to survive in different environments. Some adaptations help them avoid being eaten, others help them conserve water, and some help them reach light when it is scarce.
For instance, in dense forests where sunlight barely reaches the ground, certain plants have developed specialized adaptations to grow upwards and capture sunlight.
One common strategy is becoming epiphytic—where a plant grows on another plant or structure. This unique adaptation helps them in areas with limited light on the forest floor. It includes specialized root systems like epiphytic roots that allow these plants to anchor onto trees and absorb moisture from the air. This means they don’t just depend on the soil for nutrients.
light acquisition
Light is crucial for plant growth since it is essential for photosynthesis—the process by which plants produce their own food.
In environments where light is scarce, such as dense forests or shaded understories, some plants have developed innovative ways to reach or make the best use of available light.
Epiphytes are a great example. They grow on other plants, often high up on tree branches, to access sunlight that isn't available at ground level. This not only allows them to escape the dim conditions below but also lets them capture water and nutrients directly from the rain and air.
This adaptation is essential for their survival in such light-poor environments.
root system types
Different plants have evolved various root systems to adapt to their habitats. Here's a brief overview:
  • Epiphytic root system: These roots are found in plants like orchids and bromeliads. They grow in the air and attach to other plants for support. They are specially adapted to absorb moisture and nutrients from the atmosphere.
  • Prop roots: These roots develop from the stem and grow downwards. They provide stability to the plant, especially in muddy or unstable soils. Common examples include the roots of mangrove trees.
  • Adventitious roots: These roots form from non-root tissues, such as stems or leaves. They can help in various functions like support, nutrient acquisition, and even vegetative reproduction. Examples include the roots of ivy.
  • Taproots: These are primary roots that grow deep into the soil. They are important for anchoring the plant and accessing deep water reservoirs. Carrots and dandelions are typical examples.

The epiphytic root system is particularly fascinating because it allows plants to thrive in environments with limited soil nutrients or light, making it a unique and successful adaptation.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Plant flowering is an example of photoperiodism, the response to the length of nights or periods of darkness. A plant that responds to short nights followed by increasingly longer nights will most likely flower in _____. a. spring b. summer c. autumn d. winter

Which statements list two advantages of a taproot? a. It anchors the plant, so that it is not easily uprooted by predators or wind. It is a sink for proteins that is protected from herbivores by being underground. b. It anchors the plant, so that it is not easily uprooted by predators or wind. It is a source of starches that is protected from herbivores by being underground. c. It anchors the plant, so that it cannot be uprooted by predators or wind. It is a sink for starches that is protected from herbivores by being underground. d. It anchors the plant, so that it is not easily uprooted by predators or wind. It is a sink for starches that is protected from herbivores by being underground.

Students are asked to sort tissue slides into simple and complex tissues. How should they recognize a complex tissue through the microscope? a. Complex tissue has a variety of cell types that fulfill different functions. b. Only complex tissue is observed in adult plants. c. Complex tissue appears only in lateral roots and branches. d. Complex tissues contain cells that are strikingly different in appearance but perform the same function.

Which of the following physical components of the total water potential cannot be manipulated by the plant because it represents the interaction between water and hydrophilic molecules lining the vessels and tracheids? a. pressure b. solute concentration c. gravity d. matric potential

A student reported vascular tissue while inspecting a cross-section of a plant stem under the microscope. Which cells would allow the student to identify vascular tissue? a. tracheids, vessel elements, sieve-tube cells, and companion cells b. cells actively dividing at the apex of the stem c. parenchyma cells at the center of the section d. cells covered by a cuticle at the outside edge of the section

See all solutions

Recommended explanations on Biology Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.