BIOLOGY

STUDY OF LIFE

BIOSPHERE

ECOSYSTEMS

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Living Things are called Organisms,

they are individual and complete, living thing.

Biologyis

The Study

of

Living Things...

Organisms are:

• Made of Cells - some are unicellular others are multicellular

Organisms are:

• Highly Organized - each cell is complex structurally and chemically

Organisms

• Use Energy - all living things need energy. Living things constantly build the substances that they need.

Organisms

• Grow and Develop

It takes place in a specific way, this growth and development is different for each kind of organism.

OrganismsReproduce themselves - they produce offspring. Reproduction is necessary for the continued existence of a species

• Have a life span - a fixed length of life

Organisms

Organisms

• Respond to Stimuli - The ability to respond to stimuli is typical of all living organisms. Biologists call this property irritability.

Organisms

• Adjust to their Environment – (adapt & evolve) Any change an organism makes that makes it better suited to its environment is called adaptation.

Organization of Living Things

Atoms Organs

Elements Systems

Molecules Organisms

Organelles Populations

Cells Communities

Tissues

Continued…...

• Ecosystems

• Biomes

• Biosphere

Why Study Biology?

• ...You like helping Humans

• ...You take pleasure in learning about the world of living things

...You are curious...You want to understand our place in the world...You’d like to control the future

Anatomy

Evolutionary Biology

Environmental Science

Biochemistry Genetics

Botany Microbiology

Cell Biology Physiology

Ecology Zoology

Biological Fields of Study

Studying Biology is

Life!

Our Biosphere