What is a better indicator of how closely two organisms are related?

• Fossil record

• DNA

• Anatomy Evidence

• Behavior

Tags

NGSS.HS-LS3-2

What is an example of homologous structures?

• Wings of a bat

• Forelimbs of vertebrates

• Beaks of birds

• Fins of fish

What is a characteristic of vestigial structures?

• Increased size and function

• Reduced size and function

• Enhanced complexity

• Greater flexibility

Which bird is an example of a vestigial structure?

• Eagle

• Flightless cormorant

• Sparrow

• Penguin

Tags

NGSS.HS-LS4-4

What do pharyngeal structures in embryos contain?

• Lungs

• Gills

• Heart

• Brain

What happens to certain structures during embryonic development?

• They are enhanced

• They are removed or develop into other structures

• They remain unchanged

• They become more complex

Tags

NGSS.HS-LS1-4

Which of the following is not a type of anatomy evidence?

• Homologous structures

• Vestigial structures

• Comparative Embryology

• Behavioral analysis

What is the significance of vestigial structures in evolution?

• They indicate advanced evolution

• They show reduced function and size

• They are fully functional

• They are unique to each species

Tags

NGSS.MS-LS4-2

What is one component of the fossil record?

• Physical remains of organisms

• Similar genes

• Common ancestral species

• Geographic distribution

Tags

NGSS.MS-LS4-1

What do homologous body structures imply?

• Physical remains of organisms

• Common ancestral species

• Similar genes

• Geographic distribution

Tags

NGSS.HS-LS4-1