5 Underwater Farmers

The video explores marine farming by various species, including marsh snails, ragworms, limpets, and yeti crabs. Each species employs unique methods to cultivate their preferred food sources, such as fungi, sprouts, algae, and bacteria. These practices highlight the diverse and innovative ways marine life sustains itself.

What is the primary focus of underwater farming as introduced in the video?

• Cultivating food in the sea

• Growing crops on land

• Fishing for wild seafood

• Raising livestock underwater

How do marsh snails enhance the growth of fungi on cord grass?

• By watering the plants

• By using their own waste as fertilizer

• By removing weeds

• By planting seeds

What unique farming technique do ragworms use to make cord grass seeds edible?

• They expose the seeds to sunlight

• They crush the seeds

• They soak the seeds in water

• They bury the seeds in their burrows

What strategy do limpets use to protect their algae crops?

• Hiding their crops under rocks

• Physically pushing intruders away

• Using chemical repellents

• Building fences around their crops

Why do dusky farmer fish prefer red algae over other types?

• It is more nutritious

• It grows faster

• It is easier to cultivate

• It is less competitive with other species

What unusual farming method do Yeti crabs use?

• They harvest seaweed from the surface

• They grow algae on rocks

• They cultivate bacteria on their claws

• They plant seeds in the ocean floor

What do Yeti crabs need to ensure the growth of bacteria on their bodies?

• Heat from volcanic vents

• Sunlight and water

• Nutrients from the ocean floor

• Specific chemicals and oxygen