Evidence for Evolution

Vestigial structures...

• have evolved into new structures that are useful

• have no apparent function and appear to be residual parts from a past ancestor

• can be used to create fossils for future research

• are bat wings and butterfly wings

Tags

NGSS.MS-LS4-2

The process of populations changing gradually over a long period of time

• Inheritance

• Embryology

• Radiometric dating

• Evolution

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

Homologous structures have the same structure but different function. Which of the following does NOT belong ..

• Homologous structures can be seen in common ancestors

• The appendix in humans

• The bone structure in a human arm and a bat's wing

• A scapula (type of bone) can be seen in dogs, horses, and seals

Tags

NGSS.MS-LS4-2

Based on radiometric dating, how old is the earth estimated to be?

• 4.6 billion years old

• 4.6 million years old

• 46 billion years old

• 46 million years old

Tags

NGSS.MS-ESS1-4

What type of evidence would we use for organisms shown in the picture? The organisms are closely related and go through similar early developmental stages.

• Embryology

• Evolution

• Analogous structures

• DNA evidence

Tags

NGSS.MS-LS4-3

What are these structures considered to be?

• Analogous structures

• Homologous structures

• Vestigial Structures

• Heterozygous

Tags

NGSS.MS-LS4-2

Using DNA evidence which of the animals is LEAST related to a human?

• Chicken

• Frog

• Mouse

• Gorilla

Human DNA: CAT AAA CAC GCA

Which organism is most closely related?

• Wolf: CAT AAC CCG CAC

• Donkey: CAT CCC GGG GAC

• Bear: ATG CTC CCG CAC

• Monkey: CAT AAA CAG GCA

Tags

NGSS.HS-LS3-1

NGSS.HS-LS4-1

__________________ are preserved remains, impressions, or a trace of any once-living thing from a past geological age.

• Fossils

• DNA evidence

• Cloning

Tags

NGSS.MS-LS4-1

Analogous Structures are

• anatomically different but same function

• common ancestors

• same structure and same function

• only seen in fossil records