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Avian Digestion

Authored by Lisa Thompson

Science

12th Grade

NGSS covered

Avian Digestion
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of the gizzard?

grinds food

stores and softens food

secretes protein enzymes for digestion

Answer explanation

The gizzard is the second part of the birds stomach, it's specialised constructed of thick, muscular walls to grind food often aided by grit/small stones consumed.

Tags

NGSS.MS-LS1-7

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the role of the crop?

stores and softens food

assists in the production of eggs

grinds food

Answer explanation

It comes after the esophagus. It's an enlarged muscular pouch near the throat acting as food storage. Not all avian species have one. Some examples- poultry, parrots, raptors do, owls don't.

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Birds store food in an organ called a

stomach

shell

crop

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The air sac is to respiration as the crop is to

oxygen

digestion

excretion

birds

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Match the animal with the correct digestive system.

Avian

Cow

Horse

Chicken

Pig

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary function of the proventriculus in avian digestion?

Secretes digestive enzymes

Grinds food

Absorbs nutrients

Stores food

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which part of the avian digestive system is responsible for grinding food?

Crop

Gizzard

Proventriculus

Intestine

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