Intertidal Zone Ecosystem Concepts

The video explores Meriwether Beach's intertidal rock platform, highlighting its diverse marine life. It delves into the features of the common sea star, the complexity of marine ecosystems, and the species found in the low tide zone. The video also examines molluscs and their unique adaptations, emphasizing the importance of understanding these ecosystems.

What is the main focus of the introduction at Meriwether Beach?

• The beauty of the beach

• The unnoticed complexity of the ecosystem

• The weather conditions

• The number of visitors

What unique feature does the common sea star have?

• It has a shell

• It can fly

• It eats and excretes from the same hole

• It changes color

What determines the banding of animals and algae across the rock platform?

• The temperature of the water

• The color of the rocks

• The tolerances of each species and limiting factors

• The time of day

What is the most popular place to live in the intertidal zone?

• The high tide zone

• The low tide zone

• The middle tide zone

• The ocean floor

What is the common sea hare also known as?

• The Perth sea lion

• The Brisbane sea turtle

• The Melbourne sea horse

• The Sydney sea cow

What is a key factor in the competition among species in the low tide zone?

• Water depth

• Food and shelter

• Temperature

• Sunlight

Which of the following is a carnivorous mollusc?

• None of the above

• Zebra top shell

• Black nerat

• Mulberry wilk

What is the survival strategy of the carnivorous mollusc?

• It uses camouflage

• It swims away quickly

• It releases an acid to dissolve shells

• It hides under rocks

What is a common activity on the rock platform?

• Fishing

• Socializing

• Surfing

• Sunbathing

What is the main theme of the video?

• The beauty of Australian beaches

• The complexity and diversity of the intertidal ecosystem

• The history of Meriwether Beach

• The impact of tourism on marine life