Evidences of evolution

Evolution

Evolution

the change in inherited traits over successive generations in population of organisms.

Fossil Records

are traces of organisms that lives int he past and were preserved by natural process or catastrophic events.

Two types of Fossils

Imprints; shallow external molds left by animal or plants. Compressions; animal or plant tissues preserved in sedimentary and it performed with more organic material.

Relative dating

the age of rock is compared to the other rock layers.

Radiometric dating

a method used to determine the age of radioactive isotopes of carbon.

Comparative anatomy

the study of anatomical features of animals of different species

Homologous structure

different functions but are of the same origin.

analogous structure

same function but are different origins.

Vestigial structures

body parts that are useless or left over from.

Embryonic development

the portions of the life cycle that begins just after fertilization

genetic informations

small mutations or changes in the DNA

Embryonic Development

the portion of the life cycle that begins just after fertilization.