What is the difference between direct and indirect development?
Understand the Problem
The question is asking for an explanation of the differences between direct and indirect development in an organism's life cycle, specifically focusing on the presence or absence of a larval stage and the speed of development.
Answer
Direct development involves no larval stage, while indirect development includes a larval stage that metamorphoses into an adult.
Direct development involves young organisms resembling adult forms at birth, without a larval stage, while indirect development includes a larval stage which undergoes metamorphosis to become an adult.
Answer for screen readers
Direct development involves young organisms resembling adult forms at birth, without a larval stage, while indirect development includes a larval stage which undergoes metamorphosis to become an adult.
More Information
In direct development, examples include human beings, where babies resemble adults. Indirect development is common in animals like frogs, where the organism goes through a distinct larval phase.
Tips
A common confusion is considering any organism with a distinctly different juvenile stage as having indirect development, but it's crucial to identify whether metamorphosis is involved.
Sources
- Difference between direct and indirect development - vedantu.com
- Difference between direct and indirect development - unacademy.com
- Distinguish between direct and indirect development - vaia.com
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