Earthworm Vocabulary

What are cerebral ganglia in an earthworm?

• Cerebral ganglia act as a simple brain, coordinating the earthworm's movements and responses.

• Cerebral ganglia are responsible for digestion and nutrient absorption.

• Cerebral ganglia help in the reproduction process of earthworms.

• Cerebral ganglia serve as a storage area for energy reserves.

What is the difference between the crop and gizzard in an earthworm?

• The crop grinds food, while the gizzard stores it.

• The crop stores food, while the gizzard grinds it.

• Both the crop and gizzard store food.

• The crop and gizzard have no specific function.

What is the function of the gizzard in an earthworm?

• It stores food before digestion.

• It grinds food, helping in the digestion process.

• It absorbs nutrients from the soil.

• It produces enzymes for digestion.

How many pairs of aortic arches does an earthworm have?

• 2 pairs

• 3 pairs

• 5 pairs

• 7 pairs

What is the dorsal blood vessel in an earthworm?

• A major blood vessel that runs along the back of the earthworm, transporting blood.

• A nerve cord that runs along the belly of the earthworm.

• A digestive tract that processes food in the earthworm.

• A respiratory organ that helps in gas exchange.

What is the role of the intestine in an earthworm?

• The intestine is where digestion and absorption of nutrients occur.

• The intestine is responsible for excretion of waste materials.

• The intestine helps in the locomotion of the earthworm.

• The intestine stores food before digestion.

What is the significance of bristles in earthworms?

• They help earthworms grip the soil and move through it.

• They are used for breathing.

• They assist in reproduction.

• They provide camouflage against predators.

What do aortic arches do in an earthworm?

• They help in digestion by breaking down food.

• They function as a heart, pumping blood throughout the earthworm's body.

• They assist in respiration by exchanging gases.

• They provide structural support to the earthworm's body.

What is the pharynx's role in an earthworm?

• It helps in the digestion of food by breaking it down.

• It assists in the circulation of blood within the body.

• It helps in the ingestion of food by sucking it into the digestive tract.

• It is responsible for the excretion of waste products.

What is the role of the crop in an earthworm?

• It absorbs nutrients from the soil.

• It stores food before it is passed to the gizzard for grinding.

• It helps in respiration by exchanging gases.

• It produces enzymes for digestion.