CH 1 Biology

biology

the study of life

science

approach to understanding the natural world based on inquiry

discovery science

making observations to describe nature

hypothesis

taking observations and asking questions; uses scientific method

scientific method

observation, question, hypothesis, prediction, experiment, results, revise

theory

a comprehensive explanation supported by abundant evidence - something that has not been disproven

order

some form of organization (cells)

regulation

maintenance of internal environment (homeostasis) (food/water)

growth and development

DNA (genetic material)

energy processing

way to use/obtain energy (photosynthesis and cellular respiration)

response to environment

adapting

reproduction

way to pass on genes and keep species alive

evolution

ability of species to change over time based on changing environment

species

group of organisms that live in the same place and time and are able to reproduce with one another, producing fertile offspring

taxonomy

branch of biology that names and classifies species

5 themes of biology

evolution, structure determines function, information flow, energy transformations, interconnections within systems

natural selection

a process where organisms with traits that help them survive and reproduce in their environment are more likely to pass those traits on to their offspring

gene

hereditary units of information consisting of specific sequences of DNA (a segment of DNA that codes for a trait)

genome

all of the genetic information that an organism has

biosphere

part of earth where life exists