Phylogenics

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

A. ​ (a)  

B. ​ (b)  

C. Phylum

D. ​ (c)  

E. Order

F.  ​ (d)  

G. ​ (e)  

H. Species

• Domain

• Classes

• Family

• Genus

• Kingdom

• Infra

• Subclass

• Taxon

• Supra

Which trait should go where A is on the cladogram?

• eyes

• feet

• lips

• hat

Tags

NGSS.MS-LS4-2

What

type

of structure?

• Homologous

• Analogous

• Embryological

• Vestigial

Tags

NGSS.MS-LS4-2

Are humans related to tuna?

• yes

• no

Answer explanation

All living things are related.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Kangaroos and opossums both carry their immature offspring in pouches. This is evidence of

• a common ancestor

• living in the same habitat

• similar skeletal structures

• analogous structures

Answer explanation

Kangaroos and opossums are both marsupials and share a common ancestor.

Tags

NGSS.MS-LS4-2

Which of the following sets of animals would be the most closely related?

• Animals in the same order

• Animals in the same genus

• Animals in the same class

• Animals in the same family

Tags

NGSS.MS-LS4-2

Which of the following taxonomic ranks is the highest in the hierarchy of biological classification?

• Domain

• Genus

• Family

• Species

In phylogenetic trees, what does a node represent?

• A common ancestor

• A living species

• A genetic mutation

• An environmental factor

Tags

NGSS.MS-LS4-2