Skeleton

Multiple Choice

Mammals such as, cats, kangaroos, elephants have skeletons also . These skeletons are ____________.

• made of plastic

• composed of fur

• different sizes and help them move

• constructed from feathers

​II. ​EXOSKELETON

• An exoskeleton is a hard, external shell that covers the body of the animal inside.

  • Crabs, spiders, and insects are examples of arthropods with exoskeletons.

    • Don’t confuse all shells as exoskeletons.

      • Turtles and tortoises shells are made from scales that have grown together for protections, and are not exoskeletons.

Multiple Select

what is a exoskeleton?

• a exoskeleton is a skeleton inside your body.

• a skeleton outside your body

• no skeleton

• a skeleton only in humans

Multiple Choice

TRUE or FALSE

Shells and Exoskeletons are the same thing.

• True

• False

​III. PROTECTION

• Skeletons, exoskeletons, and scales all provide protection.

  • The brains of animals with internal skeletons are protected by skulls.

  • The ribcage of an internal skeleton also protects the organs of the animal.

  • An exoskeleton protects the entire organism.

  • Skin and scales also provide protection for animals

    • scales are hard plates that grow on the outside of reptiles, fish, and the feet of birds.

Drag and Drop

Skeletons, exoskeletons, and scales all provide ​

Placeholder

Drag these tiles and drop them in the correct blank above

protection

camouflage

life

energy

food

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Scales are ​

Select answer

that grow on the outside of reptiles, fish, and the feet of birds.

​IV. MOVEMENT

• Animals with skeletons use the skeleton working with muscles to move

  • Mammals have combinations of legs, arms, and tails that can be used to provide motion.

  • Many reptiles also use legs for motion.

  • Alligators have long tails that they use to swim with.

  • Turtles have fins to help them swim.

  • ​Birds have two legs that can be used for walking, and two wings that can be used for flying.

  • legless reptiles use their entire body to move.

    • Remember: all reptiles have internal skeletons with backbones, including snakes, and are classified as vertebrates.

Drag and Drop

All reptiles have ​

Placeholder

with backbones, including snakes, and are classified as ​

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.

Drag these tiles and drop them in the correct blank above

internal skeletons

vertebrates

exoskeletons

inverterbrates

invertebrates

Multiple Choice

Animals with skeletons use the skeleton working with ________ to move.

• bones

• muscles

• exoskeleton

• scales

Multiple Select

What group of animals has bigger animals?

(Choose TWO: the word AND picture)

• vertebrates

• invertebrates

​Write in your notebook

Friday 10th September 2021

Multiple Choice

What is the letter "B" pointing to?

• The ribs
• The skull
• The legs
• The heart

Multiple Choice

Two hip bones makes up a pelvic girdle.

• True
• False

Multiple Choice

Sea creatures such as lobster, shrimp, and crab have what kind of skeleton

• endoskeleton

• just bones like us

• exoskeleton

Multiple Select

With our skeletons humans and animals would not be able to

• swim

• move

• pick up things

• all of the above

Multiple Select

The three functions of skeleton are ...

• it protects tissues, blood cells and provides support

• it protects organs, provides support and helps to move

• it protects organs, provides support and helps to breath

Multiple Select

Snakes have skeletons. The three ways the skeleton helps the snake are by ..

• supporting its body

• protecting the organs

• helping to attack other animals

• helping the snake to move

Multiple Choice

Name the animal skeleton.

• Cow

• Dog

• Horse

• Giraffe

• Cat