LS4.A - Common Ancestry Remediation Level 3.1

What is comparative embryology?

• Comparing the body structures of organisms

• Comparing the genetic sequences of organisms

• Comparing the embryos of different species

• Comparing the fossils of different species

What structures are present in the embryos of fish, turtles, chickens, and humans?

• Gills and tails

• Feathers and wings

• Fins and scales

• Claws and paws

What does anatomical evidence involve?

• Comparing the body structures of organisms

• Comparing the genetic sequences of organisms

• Comparing the embryos of different species

• Comparing the fossils of different species

What anatomical evidence supports the idea of common ancestry?

• Teeth and bones

• Feathers and wings

• Fins and scales

• Claws and paws

What is DNA evidence used for?

• Comparing the body structures of organisms

• Comparing the genetic sequences of organisms

• Comparing the embryos of different species

• Comparing the fossils of different species

What do all life forms on Earth share?

• Genetic sequences

• Body structures

• Embryonic development

• Fossil records

What is the strongest evidence for common ancestry?

• Comparative embryology

• Anatomical evidence

• DNA evidence

• Fossil records

What can be used to compare DNA between species?

• Comparative embryology

• Anatomical evidence

• Gel electrophoresis

• Fossil records

What is the greatest source of evidence for evolution?

• Comparative embryology

• Anatomical evidence

• DNA evidence

• Fossil records