Parasite Manipulation of Snail Behavior

The video explores the fascinating life cycle of a parasitic worm that infects snails, turning them into 'zombies' to control their behavior. The parasite manipulates the snail to expose itself to birds, which then eat the snail, allowing the parasite to reproduce in the bird's stomach. The cycle continues as snails consume bird droppings containing new parasites, perpetuating the cycle.

What happens to the snail after it consumes the parasites?

• It turns into a 'zombie'.

• It becomes faster.

• It grows larger.

• It becomes immune to other parasites.

What is the main goal of the parasites after taking over the snail?

• To make the snail reproduce.

• To find a new host.

• To make the snail hibernate.

• To change the snail's color.

Why do the parasites need to control the snail's behavior?

• To make it avoid predators.

• To ensure the parasites reach their next host.

• To help it find food.

• To make it swim faster.

How do the parasites make the snail more attractive to birds?

• By making it sing.

• By changing its color to red.

• By making it emit a sweet scent.

• By enlarging its tentacles to resemble maggots.

What is the significance of the snail's tentacles resembling maggots?

• It attracts birds, which are the next host for the parasites.

• It helps the snail blend in with its environment.

• It helps the snail find food.

• It scares away predators.

What happens to the parasites once they are inside the bird?

• They become dormant.

• They multiply.

• They die.

• They change the bird's behavior.

What is the final step in the parasites' life cycle?

• They are eaten by another bird.

• They are consumed by snails again.

• They are excreted by the bird.

• They become a new species.