During the frog dissection lab, some students found these small round structures inside their frog (pictured). What do these structures tell us about this particular frog?

• These are eggs. This frog is a female.

• These are eggs. This frog is a male.

• These are bugs. This frog ate just before it died.

• These are bugs. This frog is being eaten by scavengers.

Tags

NGSS.MS-LS1-4

Frogs have a special, translucent eyelid membrane (like goggles) that covers the eye and protects it while the frog is under water. What is this membrane called?

• Tympanic Membrane

• Nictitating Membrane

• Goggle Membrane

• Optic Membrane

Identify the internal frog organ that is shown (in color) in this picture. It has 3 chambers and is a muscle responsible for pumping blood.

• Lung

• Liver

• Heart

• Stomach

Identify the internal frog organ that is shown (in color) in this picture. It is the largest internal organ in both humans and the frog.

• Lung

• Liver

• Heart

• Stomach

Frogs have vertebrae (bones) that form a spinal column down their back. What body system is shown in this picture?

• Skeletal System

• Muscular System

• Digestive System

• Integumentary System

Tags

NGSS.MS-LS1-3

What is the largest, strongest muscle group found in the common frog?

• The Heart Muscles

• The Liver Muscles

• The Abdominal Muscles

• The Leg Muscles

Which of the following best describes the special adaptation of a frog tongue?

• It attaches at the front of the mouth so that it can flip out to catch prey.

• It attaches at the front of the mouth so that it can be used to create sounds that attract mates.

• It attaches at the back of the mouth so that it can flip out to catch prey.

• It attaches at the back of the mouth so that it can swallow its prey whole.

Just behind the eye, a specialized membrane, adapted for life in and out of water, serves as the frog's ear. What is this membrane called?

• Nictitating Membrane

• Tympanic Membrane

• Skin Membrane

• Ocular Membrane

Which class of animal does the frog belong to?

• Amphibian

• Mammal

• Reptile

• Avian

What is a special feature of a frog's skin, that allows it to live in water?

• The skin is thin and smooth and can allow oxygen from the water to enter the frogs blood.

• The skin is thin and smooth and protects it from predetors with sharp teeth.

• The skin is thick and rough and acts as an armor against all predators that might eat it.

• The skin thick and rough and provides friction while the frog is swimming to help it balance.