Rocky Shores Quiz

What is the primary characteristic of exposed rocky shore ecosystems?

• Low wave energy and calm conditions

• High wave energy and significant tidal changes

• Constant submersion under water

• Shelter from tidal fluctuations

Which of the following species is commonly found in the upper intertidal zone of rocky shores?

• Mussels (Mytilus)

• Periwinkles (Littorina)

• Sea Stars (Asterias)

• Kelp (Ecklonia radiata)

What process primarily shapes the rocky shore ecosystems, influencing species distribution?

• Photosynthesis

• Tidal action and wave energy

• Ocean currents

• Wind erosion

Which zone of the rocky shore is submerged during high tide but exposed at low tide?

• Splash zone

• Mid zone

• Subtidal zone

• Intertidal zone

Which of the following organisms is adapted to survive desiccation in the splash zone?

• Sea Stars (Asterias)

• Mussels (Mytilus)

• Lichens (Xanthoria)

• Gobies

What type of algae is commonly found in the subtidal zone of rocky shores?

• Green algae (Cladophora)

• Red algae (Corallina)

• Brown algae (Ecklonia radiata)

• Yellow algae (Fucus)

Which of the following is a keystone species in rocky shore ecosystems?

• Limpets (Cellana)

• Sea Stars (Asterias)

• Gobies

• Crabs

Which human activity has the most significant impact on rocky shore ecosystems?

• Coastal development and pollution

• Marine research

• Eco-tourism

• Fishing (in moderation)

What is the main role of mussels (Mytilus) on rocky shores?

• To act as primary producers

• To filter water and provide shelter for smaller organisms

• To prey on smaller invertebrates

• To anchor kelp to rocks

How do marine protected areas (MPAs) help conserve rocky shore ecosystems?

• By allowing commercial fishing in controlled areas

• By reducing human disturbance and protecting biodiversity