The Question is from neet-botany biodiversity , and it was created by the author K SURESH KUMAR

Question

Endemism is most likely to occur in which of the following environments?

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
	**Primary Concept**: Endemism
	**Related Topics**: Biogeography, Evolution, Isolation
	**Prerequisites**: Basic understanding of species distribution and evolution.
## SOLUTION PATHWAY
**Given Information**:
	We are looking for the environment where endemism (species unique to a specific geographic location) is most likely to occur.
**Method & Steps**:
	1. **Understanding Endemism**: Endemism arises when a population of organisms is isolated geographically, preventing gene flow with other populations. This isolation allows the isolated population to evolve independently, potentially leading to the formation of new, unique species.
	2. **Analyzing Options**:
		- Vast Continents: While continents can have endemic species, they are generally less isolated than islands, allowing for more gene flow and less opportunity for unique species to develop.
		- Widely Connected Rivers: Rivers facilitate gene flow between populations, hindering the development of endemic species.
		- Migratory Bird Flyways: Migration promotes gene flow, making endemism unlikely.
		- Isolated Islands: Islands offer the ideal conditions for endemism due to their geographic isolation. This isolation restricts gene flow, allowing for unique evolutionary trajectories.
	3. **Conclusion**: Isolated islands are the most likely environment for endemism to occur.
## OPTION ANALYSIS
[A] :x: Vast Continents: Less isolation than islands, allowing for more gene flow.
[B] :x: Widely Connected Rivers: Rivers facilitate gene flow, hindering endemism.
[C] :x: Migratory Bird Flyways: Migration promotes gene flow, making endemism unlikely.
[D] ✓: Isolated Islands: Geographic isolation restricts gene flow, promoting unique evolution and endemism.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing endemism with cosmopolitan distribution: Cosmopolitan species are found widely across the globe, while endemic species are restricted to a specific location.
		2. Assuming large areas always have more endemic species: Isolation, not size, is the key factor.
	**Quick Tips**:
		1. Think 'isolation' when considering endemism.
		2. Islands are prime examples of environments where endemism thrives.

K SURESH KUMAR · Answer

Vast Continents

K SURESH KUMAR · Answer

Widely Connected Rivers

K SURESH KUMAR · Answer

Migratory Bird Flyways

K SURESH KUMAR · Answer

The correct Option is "Isolated Islands"

NEET Botany Diversity in Living World MCQs

Select Topic

Question Tags

NEET Subjects

Our Bots

Company