Common Ancestry in Science

According to the diagram, which of the following pairs of insect groups likely share the least homologies?

• beetles and moths
• grasshoppers and mosquitoes
• mosquitoes and flies
• flies and moths

Tags

NGSS.MS-LS4-2

Which of the following statements is supported by the phylogentic tree?

• Grasshoppers became extinct hundreds of millions of years ago.
• Mosquitoes and flies are members of the same species.
• Flies did not become a species until just a few hundred years ago.
• Beetles share a common ancestor with moths.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

Which statement best represents the illustration to the right?

• Wolves, bison, and horses are mammals.
• Wolf, bison, and horse structures show no evidence of relationship.
  
• Wolves, bison, and horses evolved in the same habitat.
• Wolves, bison, and horses share homologous structures.

Tags

NGSS.MS-LS4-2

Based on the diagram, which pair of organisms most likely share the most recent common ancestor?

• wolf and bison
• wolf and horse
• bison and horse
• cannot be determined

Tags

NGSS.MS-LS4-2

What is the most important question to ask when analyzing homologies to determine common ancestry?

• Do they live in similar places?
• Are the structures similar?
• Do they have a similar function?
• Do they eat the same foods?

Tags

NGSS.MS-LS4-2

Which two species are most closely related?

• 1 and 2

• 2 and 3

• 3 and 4

• 1 and 4

Tags

NGSS.MS-LS4-2

Which two species have the most distant common ancestor?

• 1 and 4

• 1 and 2

• 1 and 3

• 2 and 3

Tags

NGSS.MS-LS4-2

The table shows the differences in amino acids.  Amino acids are the monomers that make up which of the following macromolecules?

• nucleic acids
• polysaccharides
• proteins
• triglycerides

Tags

NGSS.HS-LS1-1

These forelimbs are considered to be evidence of common ancestry because of which of the following?

• They have the same functions.
• They contain similar structures.
• They are all from mammals.
• They all are all the same basic length.

Tags

NGSS.MS-LS4-2

The forelimbs of humans, birds and porpoises have a wide variety of functions.  Which biological process is believed to have created the diversity of functions seen in these species?

• respiration
• natural selection
• bio magnification 
• ecological succession

Tags

NGSS.MS-LS4-2