Coastal Ecosystems and Human Impact

Which conservation approach emphasizes the interconnectedness of natural elements from mountains to oceans?

• "Ridge to Reef"

• "Mountain to Sea"

• "Land to Water"

• "Ecosystem Chain"

What makes biodiverse coastal wetlands resilient against negative human impacts like climate change and pollution?

• Their isolation from human settlements

• Their ability to absorb all pollutants

• Their interconnectedness and high biodiversity

• Their reliance on artificial protection

What human activity is primarily responsible for accelerating topsoil erosion and creating the "pineapple mountains" (Po Lo Shan) landscape in Hong Kong?

• Hill fires

• Deforestation

• Unsustainable tourism

• Collecting and removing plants

How do pitcher plants thrive in challenging environments with limited nutrients?

• They perform enhanced photosynthesis

• They absorb nutrients directly from the air

• They trap and digest insects

• They have extensive root systems to find deep nutrients

What is formed when freshwater from streams mixes with saltwater from the sea?

• Lakes

• Rivers

• Estuaries

• Ponds

What type of natural environment was often reclaimed for land development and artificial beaches in Hong Kong?

• Mountain peaks

• Dense forests

• Intertidal mudflats

• Deep-sea trenches

What do many invertebrates like oysters, shellfish, sea snails, crabs, and mudskippers feed on in mudflat environments?

• Small fish

• Algae and organic matter

• Other invertebrates

• Terrestrial plants