Pearl Fish and Sea Cucumbers

The video explains how pearl fish, vulnerable in open waters, seek refuge inside sea cucumbers. These sea cucumbers, which feed on the sea floor, provide a safe haven for pearl fish due to their repulsiveness to predators. Pearl fish enter through the sea cucumber's rear end, staying safe until they need to feed again. They do not harm their host and are willing to share the space with other pearl fish.

Why do pearl fish need to find hiding places?

• To avoid predators

• To find food

• To reproduce

• To rest

What is the primary function of a sea cucumber's body?

• To swim quickly

• To camouflage in the sea

• To filter sand for food

• To protect other sea creatures

How does the pearl fish choose its hiding spot in the sea cucumber?

• By the size of the sea cucumber

• By the smell of the sea cucumber's end

• By the texture of the sea cucumber

• By the color of the sea cucumber

What makes the sea cucumber a safe hiding place for the pearl fish?

• Its repulsiveness to predators

• Its ability to swim fast

• Its hard shell

• Its bright colors

What is the impact of the pearl fish on its sea cucumber host?

• It cleans the host

• It harms the host

• It has no impact on the host

• It benefits the host

What behavior do pearl fish exhibit regarding their hiding place?

• They abandon it quickly

• They share it with others

• They destroy it

• They guard it fiercely