Comparative Morphology

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

Bone C: Shows the remnants of pelvic bones on a whale from when the whale used to be a land mammal. These bones no longer serve a function.

• Analogous Structure

• Homologous Structure

• Vestigial Structure

Tags

NGSS.MS-LS4-2

What type of comparative structure is this an example of?

• Analogous Structures

• Homologous Structures

• Vestigial Structures

Tags

NGSS.MS-LS4-2

Which structure is homologous to the human arm?

• fish's gill

• bird's bill

• insect's wing

• bat's wing

Tags

NGSS.MS-LS4-2

Body parts of organisms that are the same in structure and position but different in function.

• embryos

• homologous structures

• analogous structures

• vestigial structures

Tags

NGSS.MS-LS4-2

Body parts that have lost their original function.

• embryos

• homologous structures

• analogous structures

• vestigial structures

A bat wing and a butterfly wing are both used for flying but they are made differently. What type of structure is this?

• Homologous structure

• Analogous structure

• Vestigial structure

• Fossil structure

Tags

NGSS.MS-LS4-2

Studying the relationship between organisms by comparing their structures

• biological evolution

• fossil record

• comparative anatomy 

• variation

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

• All organisms resemble humans.

• They have a common ancestor.

Tags

NGSS.MS-LS4-2

Which of the following pieces of evolution evidence deals with comparing similar

structures in various species?

• A. fossil record

• B. comparing anatomy

• C. comparing biochemistry

• D. comparing embryology

Tags

NGSS.MS-LS4-2