____________ can be defined as the efforts made to protect the components of an ecosystem so it will remain in its natural condition.

• Preservation

• preservation

___________ can be defined as the efforts to restore environmental resources such as water, forest, energy, air, minerals, among others so they will continue to exist.

• Conservation

• conservation

______________ can be defined as efforts for renewing and restoring natural ecosystem that have deteriorated, damaged or destroyed due to human activities.

• Restoration

• restoration

Which of the following best explains how biodiversity contributes to the stability of an ecosystem?

• Biodiversity reduces the number of species that compete for resources.
• A diverse ecosystem can better adapt to changes and recover from disruptions.
• High biodiversity allows humans to overexploit species more easily.
• Less biodiversity means fewer diseases in an ecosystem.

A community removed mangroves to develop a coastal resort. Months later, the area suffered severe flood damage. Which principle of ecosystem management was most ignored?

• Preservation of species diversity
• Use of artificial barriers
• Restoration of marine food chains
• Prevention of human-wildlife conflict

Which scenario reflects the sustainable use of natural resources?

• A fishing village increases their catch daily to meet high demand.
• A palm oil plantation clears untouched rainforest to expand.
• A forest area is selectively logged and reforested each season.
• A mining company drills deep into coral reefs.

How does the degradation of an ecosystem indirectly affect food security?

• It causes crops to grow faster due to nutrient-rich soils.
• It disrupts pollinators and natural pest control, reducing crop yields.
• It increases biodiversity, which attracts more predators to farms.
• It removes harmful species, improving productivity.

Which combination of practices would most effectively support restoration of a river ecosystem?

• Building more dams and redirecting water for irrigation
• Introducing invasive fish species to replace extinct ones
• Removing pollutants and replanting native vegetation along the banks
• Dredging the river to allow faster water flow

Why is it essential to ensure that all community members contribute during conservation efforts?

• It speeds up the restoration process by adding more labor.
• It ensures political support for future development projects.
• It fosters a sense of shared responsibility and sustainable habits.
• It allows for quicker harvesting of resources.

Which of the following best represents the goal of preservation rather than conservation?

• Protecting a forest from all human activity
• Allowing selective logging with replanting
• Developing eco-tourism trails within protected zones
• Promoting sustainable fishing practices

Which of the following best explains how restoration helps mitigate climate imbalance?

• It encourages building cities in natural habitats.
• It enhances natural carbon sinks like forests and wetlands.
• It removes native species to create more open land.
• It prioritizes economic development over ecological recovery.

Preserving ecosystems only benefits wildlife, not human communities.

Sustainable practices aim to balance human needs with the long-term health of the environment.

Restoration of ecosystems can be achieved instantly once pollutants are removed.

Conservation is less effective when local communities are involved.

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