C3: Freshwater and Marine Ecosystems Test #1

Which of the following is a freshwater ecosystem found in Belize?

• Coral Reef

• Belize River

• Mangrove Swamp

• Estuary

What is the primary role of mangroves in Belize’s marine ecosystems?

• They provide fresh drinking water

• They serve as nurseries for fish and marine life

• They reduce oxygen levels in water

• They increase water salinity

How do coral reefs benefit marine biodiversity in Belize?

• They produce freshwater

• They provide habitat and protection for marine species

• They prevent hurricanes

• They reduce global temperatures

Which human activity is most responsible for habitat destruction in Belizean rivers?

• Fishing

• Deforestation

• Ecotourism

• Nature conservation

What is one major consequence of overfishing in Belize’s marine ecosystems?

• Increased fish populations

• Loss of biodiversity

• Growth of coral reefs

• Reduction in ocean temperature

Which of the following is an effective way to reduce pollution in Belize’s marine ecosystems?

• Increasing industrial waste disposal near rivers

• Implementing proper waste management and recycling programs

• Encouraging deforestation near coastal areas

• Allowing uncontrolled fishing in protected areas

Which natural disaster can lead to saltwater intrusion in Belize’s freshwater sources?

• Earthquake

• Tsunami

• Landslide

• Volcanic eruption

What is a common effect of hurricanes on marine ecosystems?

• Strengthening of coral reefs

• Increased sedimentation and destruction of habitats

• Decrease in biodiversity

• Increase in fresh water supply

What role do rivers play in Belize’s freshwater ecosystems?

• They supply drinking water and sustain biodiversity

• They increase pollution levels

• They prevent erosion

• They only support human agriculture

How do marine protected areas help Belize’s marine ecosystems?

• By allowing unlimited fishing

• By protecting marine biodiversity and habitats

• By increasing pollution levels

• By eliminating all human activity