Observation
Information obtained through the senses.
qualitative
describe an object
Quantitative
count or measure items
Inference
A conclusion reached on the basis of evidence and reasoning
organized
highly...
complex chemical substances
contain many....
cells
are made up of one or more.....
energy
all living things use....
definite form
all living things have a ______________ and a limited size
life span
all living things have a limited......
nutrition
the process by which the body takes in and uses food for energy, growth, and cell repair
autotrophic
Organisms that make their own food
Heterotrophic
can't make their own food
Ingestion
Intake of food
Digestion
Breaking down food
egestion
the removal of indigestable or undigested food materials (feces)
transport
The absorption and circulation of materials throughout an organism
Respiration
chemical processes in which an organism obtains energy from food materials in order to maintain its life functions
aerobic
this type of respiration needs oxygen
anaerobic
this type of respiration doesn't need oxygen
excretion
Process by which metabolic wastes are eliminated from the body (liquid & gaseous waste)
regulation
Control and coordination of all life functions
synthesis
chemical combination of simple substances to form complex substances.
growth
the process of increasing in physical size.
Reproduction
the production of offspring
Metabolism
All of the chemical reactions that occur within an organism
Homeostasis
relatively constant internal physical and chemical conditions that organisms maintain
theory
hypothesis that has been tested and supported by a great amount of evidence over a long period of time
law
statement describing (but not explaining) a natural event or phenomenon
hypothesis
suggested explanation to a problem or observation based upon known information
experiment
used to test a hypothesis
variable
anything that can affect the results of an experiment
control
part within the experiment that is maintained without change in order to provide a comparison for the part of the experiment containing the variable
data
observations and measurements made during an experiment
conclusion
a summary that explains whether or not the data supports the hypothesis
application
new use to which results are put or new technique developed
identify problem, gather info, hypothesis, test the hypothesis, record data, state conclusion, analyze data
seven steps of the scientific method
variable
the factor in the experiment can be changed
independent variable
under your control; the part you can manipulate
dependent variable
The measurable effect, outcome, or response in which the research is interested.
controlled experiment
an experiment where the test is duplicated; in 1 of the tests, a factor is changed and in the second, it stays the same
biology
the study of living organisms and their interrelationships w/ other living this and the surrounding environment
life processes
processes or activities that are common to all living things
nutrients
the usable parts of food
circulation
the movement of materials to the cells
nervous and endocrine systems
which systems carry on regulation?