BIOLOGY EOC REPORTING CATEGORY : 3

Reporting Category 3

Evolution and Classification

Evolution

Change over time

Endosymbiotic Theory Mitochondria

Chloroplast

Evidence for Evolution…or COMMON ANCESTRY

Homologous Structures

Traits that are similar in different species because the species share a common ancestor.►Same structure,► different function

EVIDENCE OF EVOLUTION… or COMMON ANCESTRY MOLECULAR HOMOLOGIES

GENETIC SEQUENCES SHOW SIMILARITIES AMONG ORGANISMS.EXAMPLE: HUMAN GENOMES AND CHIMPANZEE GENOMES ARE 99% IDENTICAL

EVIDENCE OF EVOLUTION… or COMMON ANCESTRY EMBRYOLOGY HOMOLOGIES

EMBRYOS

EVIDENCE OF EVOLUTION… or COMMON ANCESTRY FOSSIL RECORDS

OLDEST

YOUNGEST

FOSSIL RECORDS CAN BE USED AS ATIME LINE OF HOW LIFE HAS EVOLVED

TAXONOMY: the way biologist classify or group organisms

Based on similarities and differences

6 KINGDOMS

11

Kingdom

Phylum

Class

Order

Family

Genus

Species

Gets m

ore specifi

c

King

Came

Over

For

Good

Spaghetti

Phillip

CLADOGRAM IS USED TO SHOW THE EVOLUTIONARY RELATIONSHIPS AMONG SPECIES

It shows how members of a group change over time, giving rise to new groups

CLADOGRAM

Which are most closely related?

Canis lupus & Canis latrans

or

Canis lupus & Lutra lutra

Canis latrans & Taxidea taxus

or

Canis latrans & Panthera

pardus

DICHOTOMOUS KEY