biology evidences of evolution quiz

The fossil record

Fossils for unicellular and multicellular organisms and age of fossils can be determined by radioactive dating and an example is a horse

Biogeography

Study of past and present distribution of organisms EX: Galapagos island

Homologous structures

same structure and ancestor and different function EX: bones

Analogous structures

Same function and different structure/ ancestor EX:wings

Vestigial organs

Organs remaining in a species which no longer serve any purpose EX: pelvic bone in a whale

Comparative embryology

Development in animals is controlled by the same kinds of genes

Comparative biochemistry

genetic code is universal and maintained between organisms

Drug resistance

Bacteria which are killed by antibiotics are bring drug resistant