Early Evolution

Which best describes the first organisms to live on Earth?

• Prokaryotic and Anaerobic
• Prokaryotic & Aerobic
• Eukaryotic and Aerobic
• Eukaryotic & Anaerobic

The similarities in these homologous structures imply which of the following?

• The organisms grow in the same type of environments
• The organisms evolved from a common ancestor
• Their bones grow at similar rates of speed
• The organisms have a similar life expectancy

Tags

NGSS.MS-LS4-2

A paleontologist is comparing the fossilized remains of two primates. Both animals had a prehensile tail. What can be concluded from this evidence?

• They were not related.
• They lived on the ground.
• They evolved from a common ancestor.
• They had bipedal locomotion.

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1

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

NGSS.MS-LS4-1

The process by which populations slowly change over time is called__________

• selective breeding
• adaptation
• sepeciation
• evolution

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Study of embryos of various organisms to show a common ancestor because of similarities in development

• natural selection
• embryology
• speciation
• evolution

Tags

NGSS.MS-LS4-3

Structures that have the same function but different structures are...

• homologous structures
• analogous structures
• vestigial structures
• embryology 

Tags

NGSS.MS-LS4-2

What type of structures are these?

• homologous
• vestigial 
• analogous
• fossil

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Two organisms that are closely related would have

• very similar DNA sequence
• exactly the same DNA sequences
• no proteins in common
• completely different DNA sequence

Tags

NGSS.MS-LS4-2

NGSS.MS-LS3-1

Which layer is the oldest

• B
• A
• E
• C

Tags

NGSS.MS-ESS1-4