Evidence for evolution

Question 1

Fossil record

Answer 1

Sedimentary rock shows all the kinds of species that were alive in the past

Question 2

Transitional fossils

Answer 2

Fossils that show intermidet links between groups of organisms and shares characteristics common to two separate groups

Question 3

Vestigial structures

Answer 3

A reduced version or non-functional version of a structure that was once used

Question 4

Biogeography

Answer 4

The study of past and present species populations

Question 5

Homologous structures

Answer 5

Body parts that are similar in structure but have a different function
Ex. bone structure

Question 6

Analogous structure

Answer 6

Structures that share a common function but different internal anatomy
Ex. wing structure of butterflies and birds

Question 7

Embryology

Answer 7

Embryos of different organisms exhibit similar stages of embryonic development

Question 8

DNA

Answer 8

Evolutionary relationships are reflected in DNA