Problem 1 Give an example of asexual repro... [FREE SOLUTION]

Chapter 22: Problem 1

Give an example of asexual reproduction in a plant.

Short Answer

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An example of asexual reproduction in plants is the propagation of strawberry plants using runners.

Step by step solution

Introduction to Asexual Reproduction

Asexual reproduction involves a single organism reproducing without the need for a partner. This results in offspring that are genetically identical to the parent.

Identify Common Forms of Asexual Reproduction in Plants

There are several types of asexual reproduction in plants, including budding, fragmentation, and vegetative propagation. Vegetative propagation is one of the most common forms.

Example of Asexual Reproduction - Vegetative Propagation

Vegetative propagation can occur naturally or be induced by humans. Examples include the growth of new plants from stems, roots, or leaves. One such example is the reproduction of strawberry plants through runners.

Detailed Example - Strawberry Plant Runners

Strawberry plants produce runners, which are horizontal stems that grow above the ground. These runners develop small plantlets at their nodes. When these plantlets establish roots into the soil, they can grow into new, independent strawberry plants.

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Key Concepts

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

Vegetative Propagation

In vegetative propagation, a new plant grows from a fragment or part of the parent plant. This might be a stem, root, or leaf.
Imagine planting a piece of a potato; soon, it grows into a new potato plant!
Vegetative propagation can occur naturally or can be assisted by humans.

Natural vegetative propagation: Strawberry runners are a natural example. The runners are horizontal stems that grow above the soil, and they develop new plants at their nodes.
Human-assisted vegetative propagation: Gardeners often take cuttings from plants, like stems or leaves, and plant them to grow new plants.

This method ensures the new plants are clones of the parent, carrying the same genetic material.
This type of reproduction makes gardening and farming more efficient because it is a reliable and straightforward way to produce multiple plants with desired traits.

Budding

Budding is another form of asexual reproduction where a new plant grows from a small protuberance on the parent plant.
Certain fungi, yeasts, and lower plants use budding.
For example, in yeast, a small bud forms on the parent cell, grows, and eventually detaches to become a new individual.
This new organism is genetically identical to the parent.
Budding in plants is not as common as vegetative propagation but can be seen in some succulents and liverworts.
When conditions are favorable, budding allows rapid population growth. It also ensures that the new plants inherit traits from the parent.

Fragmentation

Fragmentation is a method where a new organism grows from a fragment of the parent.
You might have seen this in algae and some plants.
For instance, if you cut a piece of certain types of algae or flatworms, each fragment can grow into a complete new organism.
Here's how fragmentation works in plants and simple organisms:

Algae: If parts break off due to water currents, those parts can develop into new algae individuals.
Certain plants: Mosses often use fragmentation. Pieces of moss can rapidly grow into new clumps when they land in a suitable environment.

Fragmentation ensures that the species can spread quickly and colonize new areas efficiently.

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91影视

Give an example of asexual reproduction in a plant.

Short Answer

Step by step solution

Introduction to Asexual Reproduction

Identify Common Forms of Asexual Reproduction in Plants

Example of Asexual Reproduction - Vegetative Propagation

Detailed Example - Strawberry Plant Runners

Key Concepts

Vegetative Propagation

Budding

Fragmentation

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