Biology
Grade-7
Easy
Question
Observe the image and choose the species role.
- These species provide early signals of environmental deterioration.
- These species are good indicator species since they are vulnerable to habitat loss and fragmentation due to their relationship with numerous plant species.
- These species are found in an area as a result of natural processes only.
- These species were introduced purposefully in the Philippines as an additional income to farmers.
Hint:
The species can be added to the ecosystem for useful purposes.
The correct answer is: These species were introduced purposefully in the Philippines as an additional income to farmers.
- The species are endemic to particular regions.
- Some species are added to the environment purposefully.
- The snails are added to the philippine cultivation lands as an additional income for the farmers.
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