Introduction to Biological Life

ALL cells share what 4 key components

plasma membrane, cytoplasm, DNA, ribosomes

Evolution

the change in inherited characteristics of a population over time from generation to generation

To classify NOW we rely on

Morphology
Genetics
Evolutionary relationships
Physiology
Behavior
Habitat
Geography

Hierarchical classification system acronym

Dumb Kids Playing Carelessly On Freeways Get Squished

How to determine life

growth, development and reproduction

metabolise and use energy

response to environment

cellular

display biological organisation

maintain homeostasis

adaptations observed

Hierarchical classification system

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

3 levels of organization

cellular, organismal, population

Great metabolisim reacts, cells organize, hold adaptations

Growth development reproduction

Metabolisim

Response

Cellular
Organisation
Homeostasis
Adaptation

Whats a tissue

A group of cells with a common structure and function

Whats an organ

A structure composed of 2 or more tissues
functioning together for a specific task

community vs ecosystem

ecosystem = community + physical environment