Common Bones

The bones in the figure above are-

• Evidence of a common ancestor

• Evidence that animals can walk

• Evidence that fossils are old

• Evidence of nothing

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The image shows an example of..

• vestigial structure

• homologous structure

• analogous structure

Tags

NGSS.MS-LS4-2

Structures that are inherited from a common ancestor are homologous.

• True

• False

Tags

NGSS.MS-LS4-2

Match each bone or description to the type of bone it fits under.

• Patella

• Sesamoid bone

• Wrist and ankle bones

• Long bone

• Sternum, ribs

• Short bone

• Femur, finger bones, humerus

• Flat bone

• Vertebrae

• Irregular bone

Which of these is a type of long bone?

• carpals

• tarsals

• skull

• femur

Match the images of bones to their bone shape.

• short bones

• 
• long bones

• 
• irregular bones

• 
• sesamoid bones

• 
• flat bones

• 

Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as

• vestigial structures

• analogous structures

• homologous structures

• fossil structures

Tags

NGSS.MS-LS4-2

• Homologous
• Vestigial
• Analogous

Tags

NGSS.MS-LS4-2

Species A and B do NOT share which body structure?

• Front limbs

• Back limbs

• Tail

• Backbone

Tags

NGSS.MS-LS4-2

Which is NOT a SHARED STRUCTURE found in both a human arm and a cat's front leg?

• ONE upper bone with round knobs

• MANY small distal (finger) bones

• TWO lower bones (radius and ulna)

• limbs that are made of just 3 individual bones connected together

Tags

NGSS.MS-LS4-2