Unit 4 & 5 Practice

Front

What organ mashes food into liquid so that the body can digest it?

Back

Stomach

Front

What is the largest organ in the human body?

Back

Skin

Front

What is the second stage of a frog called?

Back

Tadpole

Front

Which physical characteristic is most useful for a water environment for frogs?

Back

Webbed feet

Front

Why did the beak shape of each species of bird develop differently?

Back

Each beak shape is an adaptation to a specific source of food.

Front

What is the function of the stomach in the digestive system?

Back

To break down food into a liquid form for digestion.

Front

What role does the skin play in the human body?

Back

It protects internal organs and regulates temperature.

Front

What are the four stages of a frog's life cycle?

Back

Egg, tadpole, froglet, adult frog.

Front

How do webbed feet help frogs in their environment?

Back

They allow frogs to swim efficiently in water.

Front

What is adaptation in the context of evolution?

Back

A change in a species that makes it better suited to its environment.