3/11 Warm-Up: Evidence for Evolution

A human arm and a whale fin have similar bone structure but the whale fin is used for swimming and the arm is used for reaching and grabbing. What type of structures are these?

• Homologous structures

• Analogous structures

• Vestigial structures

• Fossil structures

Tags

NGSS.MS-LS4-2

In an undisturbed rock formation, the rocks on the bottom are the oldest.

• Sometimes

• True

• Always

• False

Tags

NGSS.MS-ESS1-4

When animals have more than one similarity in their body structure like the picture, this is know as what type of structures. Having similarities in structure doesn’t mean they serve the same function.

• Analogous Structures

• Protein synthesis

• Homologous Structures

• MRNA

Tags

NGSS.MS-LS4-2

Any inherited trait that gives an organism an advantage in its environment is called ___.

• a mutation

• an adaptation

• evolution

• natural selection

Tags

NGSS.MS-LS4-4

___ are mistakes in the DNA that cause variation within a species.

• mutations

• adaptations

• speciations

• isolations

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

The differences among a species, like different bird beaks, are called

• 
  theories

• variations

• adaptations

• 
  genes

Tags

NGSS.MS-LS4-4

Match the following terms with their definitions

• 
  Evolution

• a change in a species DNA over time because of natural selection

• 
  Variation

• An inherited trait that makes and individual different

• Adaptation

• Any variation that makes an organism better able to survive

• Mutation

• A permanent change in the DNA

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1