Mystery Fossil Match

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

Which is a SHARED BODY STRUCTURE found in both cats and humans?

• gills

• 1, 2, MANY bone structure

• shell

• scales

Tags

NGSS.MS-LS4-2

Cats and humans both have a 1, 2, MANY bone structure, an unusual bone pattern found 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-LS4-2

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-LS4-2

 

Crocodiles and the mystery fossil both have 4 limbs. What could explain this?

• They must share a COMMON ANCESTOR with that structure.

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

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

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

• elongated skull

• 1, 2, MANY bone structure

• 4 limbs

• crest (pointed top) at the back of the skull

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

A spinosaurus and the mystery fossil both have a BACKBONE WITH LONG SPINES or SPURS on each vertebra. 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-LS4-2

NGSS.MS-LS4-1

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

• nostril shifted back on the skull

• elongated skull

• shortened limbs

• irregular, triangular teeth

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

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-LS4-2

NGSS.MS-LS4-1

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

• 4 complete limbs

• closed rib cage

• nostril shifted back on the skull

• irregular, triangular teeth

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1