Introduction to biology. Biology – The Study of Life. BIO – life; living OLOGY – the study of. A. Main Idea of Biology – living things interact with their environment . Living things do not exist in isolation. B. Why study Biology?
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BIO – life; living
OLOGY – the study of
As humans, we need to understand our relationship to and how we impact other living organisms in our environment.
C. Two biological factors: Abiotic – Nonliving
Biotic – Living
Characteristics of Life
What characteristics must something have in order to be considered living?
Response – You ???
all living organisms use energy (ATP)
Ex. Metabolism:sum of chemical energy that an organism uses
Energy is the ability to do work
Work is force times distance (W=fxd)
5. Homeostasis organisms strive to reach equilibrium or balance
Ex. Body temperature, blood sugar, pH concentration, etc.
all living things are organized