Homologous, Analogous & Vestigial Structures

An anatomical feature that no longer seams to have a purpose in the current form of an organism

• Homologous structure

• Analogous structure

• Vestigial structure

• None of the above

Whales have pelvic bones. What type of structure does this best represent?

• Homologous structure

• Analogous structure

• Vestigial structure

• None of the above

Tags

NGSS.MS-LS4-2

• Homologous
• Vestigial
• Analogous

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Structures with the same parts have different functions; suggests that organisms share a common ancestry

• vestigial structures
• homologous structures
• adaptive radiation
• fossil

Tags

NGSS.MS-LS4-2

Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?

• The function of these bones is the same in all animals
• They live in similar environments
• They have a common ancestor
• All organisms resemble humans

Tags

NGSS.MS-LS4-2

What is this an example of?

• Homologous structure

• Analogous structure

• Vestigial organs

• Functional adaption

Tags

NGSS.MS-LS4-2