Biology Section 1-2
Grows and develops
Growth results in the addition of mass to an organism process of natural change that takes place during life
Do laws become theories?
NO!
Reproduction
the production of offspring
Peer Review
A process by which the procedures and results of an experiment are evaluated by other scientist
Requires energy
living things need sources of energy to fuel their life functions
Law
describes relationships under certain conditions in nature
What does a biologist do?
Studies life.
How do you know if something is an organism?
-made of one or more cells -displays organization -grows and develops -reproduces -responds to stimuli -requires energy -maintains homeostasis -adapt overtime
What is an organism?
Any living thing.
What kind of questions would a biologist answer?
Are gender traits completely a result of societal expectations? Are there any parts of the human body that get oxygen directly from the air and not from the blood?
Pseudoscience
Areas of study that try to imitate science, often driven by cultural or commercial goals, little research is done
How does biology relate to your life?
Biology pervades all aspects of everyday life. People rely on living things and their products for the food they eat, their homes, their personal care, their fuel and their medicines.
Who sucks at everything they do?
Harper Gianelloni
How do you know that a plant is alive?
Living things have a variety of characteristics that are displayed to different degrees: they respire, move, respond to stimuli, reproduce and grow, and are dependent on their environment.
Do theories become laws?
NO!
Whats an essential characteristic of science?
Scientific Inquiry
Made of one or more cells
The cell is the basic unit of life; strep throat is caused by a single-celled organism
How do you know that fire is not alive.
The reason fire is non-living is because it does not have the eight characteristics of life. Also, fire is not made of cells. All living organisms is made of cells.
scientific inquiry
a creative process rooted in unbiased observations and experimentation
Theory
an explanation of natural phenomenon supported by observations and experiments over time
How is science different from art? English?
an organized way of gathering and analyzing evidence about the natural world; science is a process
Adaptation
any inherited characteristic that results from a change over time
Responds to stimuli
anything that is part of the environment and causes an reaction by an organism Response: reaction to the stimulus
Maintains homeostasis
regulation of an organism's internal conditions to maintain life