the organization of the biological world. how would you sort these? 1. with a partner, sort the...
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THE HIERARCHY OF LIFE
The organization of the biological world
How would you sort these? 1. With a partner, sort the
terms into 3 categories: things you know/think you know/don’t know
2. Compare and discuss your sort with another pair of students
3. Challenge: With a partner, sort the terms on the left from smallest to largest
4. Do you agree on the smallest and the largest?
Biosphere
Biome
Ecosystem
Community
Population
Organism
Organ system
Organ
Tissue
Cell
What is the smallest unit of life?
Click icon to add pictureThe cell
The Building Blocks
1. Cells are the basic building blocks of life
2. All living things are made up of cells
There are many kinds of cells
paramecium
red blood cellanimal cellplant cell
neuron
But why study cells?
Why study cells?
What can the study of the tiniest things tell us about the bigger world around us?
How does the structure and function of my cells impact how I live?
Cells videoControl click on link above
Cells can have special functions
Groups of cells functioning as a unit in a specialized activity are called tissue
Tissues can combine in special structures called organs which allow them to perform common tasks
Organ system A group of
organs interacting in ways that contribute to the survival of the organism
Image from http://image.tutorvista.com/content/animal-nutrition/human-digestive-system-structure.jpeg
Digestive system
Organism
A single celled or multi-celled individual that is a complete living unit
Amoeba(single celled organism)
The Definitions Biome: a major ecosystem with organisms adapted to similar environmental conditions
Community: populations of species occupying a given area
Ecosystem: a community and its physical environment
Cell: fundamental unit of life
Tissue: group of cells functioning as a unit in a specialized activity
Organ: tissues combined in specific structures which allow them to perform common tasks
Organ system: group of organs interacting in ways that contribute to the survival of the organism
Biosphere The part of the earth where living things exist.
Organism: a single celled or multi-celled individual functioning as a living unit
Population: group of individuals of the swame species occupying a given area
Challenge: Try the sort again using what you learned from the video, class discussionand these definitions
CELL
TISSUE
ORGAN
ORGAN SYSTEM
ORGANISM
POPULATION
ECOSYSTEM
COMMUNITY
BIOME
Try the sort again!
BIOSPHERE
CELL
TISSUE
ORGANORGAN SYSTEM
ORGANISMPOPULATIONECOSYSTEMCOMMUNITYBIOME
Try the sort again!
BIOSPHERE
Other cell video clips
Cell basics:elements of cells
Cell nutrition
Cell reproduction
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