Levels of Organization Medical Science I

Where are you?

Where are you?

Where are you? A102

Levels of Organization Community Group of populations that live together in a defined area (Ex: businesses, people, pets, etc. in Alvin) Population Group of individuals of the same species that live in the same area (Ex: Latinos in Alvin)

Levels of Organization Organism Individual form of life (ex: human) Organ System Group of organs that work together to perform a specific function (ex: digestive system)

Levels of Organization Group of tissues that work together to perform closely related functions (Ex: stomach) Tissue Group of similar cells that perform a particular function (Ex: Connective tissue)

Levels of Organization Cell Basic structure of animals (Ex: muscle cell) Nucleus An organelle in the cell containing chromosomes (Ex: human nucleus with 46 chromosomes)

Levels of Organization Chromosome Structures with chemical instructions divided in sections called genes (Ex: chromosome #3) Gene Sequence of DNA that codes for proteins and determines a trait (Ex: gene for eye color)

Levels of Organization DNA Deoxyribonucleic acid