Obtención de los alimentos – Clip

The video describes a small crab, comparable in size to a fingernail, that filters sand around its burrow to extract food. It leaves behind waste in the form of neat pellets.

What is the size of the crab compared to?

• A grain of sand

• A pebble

• A seashell

• A fingernail

What does the crab do with the sand around its burrow?

• Builds a castle

• Eats it

• Filters it

• Covers it

What does the crab remove from the sand?

• Shells

• Water

• Food

• Rocks

How does the crab leave its waste?

• In a pile

• In neat pellets

• Scattered around

• In a hole

What is the final form of the crab's waste?

• Chunks

• Pellets

• Dust

• Liquid