LEOPARD FROGALTERNATE ASSIGNMENT

LOTS OF VIDEOS

• Click on thumbnails for frog behavior videos• GET WORKSHEET AND FILL OUT YOUR

OBSERVATIONS

WATCH: Frog Behavior

Leopard Frog Calling Video (1:04)

• Frog vs. Newt (1:00)

EXTERNAL ANATOMY OF THE FROGGET FROG LAB WORKSHEET

• ☺Youtube Grass Frog Anatomy Video (5:10) –PART 1 External Anatomy

• Label the external anatomy of the frog on the worksheet. (see next slides for help)

FROG MOUTH

How do you know if you have a male or female?

Find these on the frog:

• Dorsal side = back• Ventral side = belly• Anterior= front• Posterior = back

• Why is the dorsal side a different color than the ventral side? (HINT: adaptive advantages)

Dissecting the Frog

• Schooltube Video Frog Dissection

Youtube Frog Dissection (1:07)

• Use dissecting scissors to make these cuts along the dotted lines.

• ☺Youtube Frog Anatomy Part 2 (Internal)

Mouth Anatomy

Pin outer skin onto dissection pan

• Zerobio Frog Dissection Video (good technique)

Internal Anatomy of the Frog

• Youtube Internal Anatomy of the Frog Video (6:53)

Cut open to expose organs (pin)

Largest organ is the liver

Under the liver is the gall bladder

The Frog Heart has 3 chambers

Muscles

Cut open the stomach to see what the frog last ate

The urogenital system consists of both the urinary system and the reproductive system.

Kidneys are long narrow structures on the dorsal wall

Kidneys

Male AnatomyTestes are yellow or tan (bean-shaped near the kidneys)

Female Organs

FROG NERVOUS SYSTEM

Frog Brain• You tube Frog Brain Dissection