Studying the organization of life All living things are connected.
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Transcript of Studying the organization of life All living things are connected.
Studying the organization of life
• All living things are connected.
Environment
• The environment is anything that affects that organism.
• This includes two main groups: – Abiotic
– Biotic
Abiotic Factors
• Abiotic factors are parts of the environment that are not alive. They are the physical factors such as water, soil, light, and temperature.
• The nonliving factors that effect living things
Biotic Factors
• Biotic factors are parts of the environment that are alive and interact with each other
• The living things in the environment. Ex: plants and animals.
Biotics (alive)
Abiotics (not alive)
*In science, the addition of an “A” to the beginning of a word usually means “not” or “opposite of”
Levels of Organization
• atom– the smallest part of an atom
• protons, neutrons, and electrons
• molecule– smallest part of a compound with unique properties
• tissues– group of similar cells performing a job or function
Levels of Organization
• organ– The tissues organized into brain, heart, lungs, stomach,
etc.
• organ system– Organs working together (circulatory, digestive, etc)
• organism– Individual living thing (person, dog, plant, etc)
Levels of Organization• population– a group of one kind of organism (species) in an area that
can interbreed & make fertile offspring.
• community – Several populations of organisms in an area (animals in a
zoo)
• ecosystem– All living (biotic) and nonliving (abiotic) parts of an
environment.
Agenda• Create a graphic organizer for the following words:• atom• molecule• tissues• organ• organ system• organism• population• community • ecosystem.
– Hint : Use your textbook to define the above words.