Zoology 2nd Qtr. BATs

Front

Chewing is an example of what type of digestion?

Back

Mechanical digestion is the physical breakdown of food into smaller pieces, such as chewing.

Front

Which type of system circulates hemolymph?

Back

An open circulatory system is one where the blood (hemolymph) is not always contained within blood vessels.

Front

How many chambers are found in an alligator's heart?

Back

An alligator's heart has 4 chambers, which allows for efficient separation of oxygenated and deoxygenated blood.

Front

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

Back

The gizzard is a muscular part of the avian digestive system that grinds food.

Front

The crystals in the semicircular canals used to maintain balance are called ___________.

Back

Otoliths are small crystals in the inner ear that help maintain balance.

Front

What is the primary function of the gizzard in birds?

Back

The primary function of the gizzard is to grind food, aiding in digestion.

Front

What type of circulatory system do insects have?

Back

Insects have an open circulatory system, where hemolymph is circulated freely in the body cavity.

Front

Define 'hemolymph'.

Back

Hemolymph is the fluid that circulates in the open circulatory systems of invertebrates, equivalent to blood in vertebrates.

Front

What is the role of the heart in vertebrates?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients while removing waste.

Front

What is the difference between mechanical and chemical digestion?

Back

Mechanical digestion involves physical processes like chewing, while chemical digestion involves enzymatic breakdown of food.