Animal Structure

I have eyes to help me see predators.

I have gills to breathe in air.

I have fins to move and balance in water.

I have scales to make my body flexible.

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I have paws shaped like hands to grip my food.

I have fur to keep me warm.

I play dead when a predator is trying to catch me.

I have a long tail that helps me hold on to tree limbs.

I look for food at night and sleep during the day.

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The prickly pear cactus has these structures that protect it from plant-eating animals.

• Gills

• Thorns or Spines

• Heart

• Stem

A hummingbird’s _________ is long and straw-like so that it can sip nectar from inside flowers.

• Lungs

• Ears

• Beak

• Antennae

A scorpion uses a __________, found on the end of its tail, for paralyzing its prey and for defending itself.

• Jumping

• Teeth

• Brain

• Stinger

An eagle’s sharp talons or _________ are an adaptation for catching and grasping fish swimming near the water’s surface or small animals running on the ground.

• Horns

• Claws

• Lungs

• Stinger

A structure is...

• what something is used for; purpose

• coloration of an organism that is designed to deceive other organisms or to help it hide from predators

• a feature that helps to identify, tell apart, or describe; a distinguishing mark or trait; a physical attribute

• a body part that does a certain “job” for an organism

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An example of an EXTERNAL animal structure is:

• brain

• feathers

• stomach

• lungs

An example of an INTERNAL animal structure is

• Horns

• Ears

• Brain

• Feathers

Which of the following is an example of an external structure in animals?

• Heart

• Liver

• Fur

• Kidney