nails, horn and feathers

Fingernails and toenails consist of specialised epidermal cells that are filled with...?

• Protein

• Dermis

• Keratin

• Dentine

Horns and Antlers are exactly the same thing?

• True

• False

Horns grow throughout the animals life and never shed

• True

• False

Antlers are entirely made of bone and are extensions of an animals skull

• False

• True

Giraffes have ossicones. These are formed from...

• Tendons

• Cartilage

• Keratin

• Protein

A Rhino’s horn is comprised of an outer layer of keratin and a dense centre of...?

• Keratin and calcium deposits

• Ivory

• dentine

• melanin and calcium deposits.

If a Rhino’s horn breaks off it can grow a new one.

• true

• false

What type of fetaher is shown in the image

• Semiplume

• Filoplume

• Contour

• Down

What type of feather is shown in the image?

• Contour

• Flight

• Semiplume

• Filoplume

Which one is NOT a function of feathers..

• to mark territory

• to keep warm

• to keep cool

• Avoid predation