Common Bones

The mystery fossil and the mosasaurus both have 1, 2, MANY bone structure, an unusual pattern of bones in the limb. What could explain this?

• The structure must have EVOLVED TWICE, in separate times and places.

• They must share a COMMON ANCESTOR with that structure.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The mystery fossil and this modern whale share all of these body structures EXCEPT:

• elongated skull

• 1, 2, MANY bone structure

• wide, knobby tail bones

• 4 complete limbs

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A modern whale and the mystery fossil both have 1, 2, MANY bone structure, an unusual pattern of bones in the limb. What could explain this?

• The structure must have EVOLVED TWICE, in separate times and places.

• They must share a COMMON ANCESTOR with that structure.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which SHARED BODY STRUCTURE is found in both the wolf and the mystery fossil?

• curved, connected rib cage

• wide, knobby bones in tail

• shortened limbs

• spur (pointy bone) in neck

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

A wolf and the mystery fossil both have 1, 2, MANY bone structure, an unusual pattern of bones in the limb. What could explain this?

• The structure must have EVOLVED TWICE, in separate times and places.

• They must share a COMMON ANCESTOR with that structure.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Crocodiles and the mystery fossil share all of these body structures EXCEPT

• elongated skull

• 1, 2, MANY bone structure

• 4 limbs

• long spurs (pointy bone) in the backbone

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which SHARED BODY STRUCTURE is found in both the whale and the mystery fossil?

• complete limbs

• closed rib cage

• nostril shifted back on the skull

• irregular, triangular teeth

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which bone is commonly known as the collarbone?

• Scapula

• Clavicle

• Femur

• Humerus

What is the largest bone in the human body?

• Tibia

• Fibula

• Femur

• Humerus

Which bone is part of the axial skeleton?

• Femur

• Tibia

• Sternum

• Radius