Presentation on the External Structures of animals.

1. External Structures and
Functions in Animals

2. Skin
 Skin protects the body by acting as a
barrier.
 It keeps bacteria out of our body.
 Skin can have different
characteristics.
 Rhinos and Elephants have thicker skin
to protect from the sun.
 Frogs and Salamanders have thin moist
skin.
Rhino
Salamander

3. Fur, Feathers, and Scales
 Fur
Helps keep animals warm.
 Feathers
Helps birds maintain their
temperature.
They help most birds fly.
 Scales
A rough covering that protects
and insulates the body.
Bobcat
Hawk

4. Claws
They are sharp and pointy
structures on the hands
and feet of animals.
What can they be used for?
Digging
Catching and holding prey.
Tiger
Macaw

5. Exoskeleton
 This is a hard external
covering that protects an
animals body.
A shell on a snail protects it from
the sun and allows it to hide.
A ladybugs exoskeleton protects
its wings.
A crab’s exoskeleton is
waterproof.
Snail

6. Reference
 Rhino
 Allen, C. (2007, November 16). Gray Rhinoceros in Close-up Photography [Photograph]. Pexels, Portland.
 Salamander
 Riess, V. (2005, June 21). Black and Yellow Lizard [Photograph]. Pexels, Germany.
 Bobcat
 P. (2002, October 23). Grey Bobcat on Brown Trunk [Photograph]. Pexels.
 Hawk
 Machchhar, N. (2000, April 30). Selective Photography of Flying Black Falcon [Photograph]. Pexels, Brantford.
 Tiger
 Verbeek, R. (2010, August 31). Tiger in Shallow Photo [Photograph]. Pexels, Nijmegen.
 Macaw
 Pidvalnyi, O. (2013, March 30). Blue-and-yellow Macaw Licking It's Claw [Photograph]. Pexels, Ukraine.
 Snail
 Ghanavati, D. (2011, June 07). Brown and Gray Snail on Green Plant Branch [Photograph]. Pexels, Tehran.