bio 16 ch1.txt

organism's modification in structure, function, or behavior suitable to the environment.

smallest particle of an element that displays the properties of the element.

total number of species, the variability of their genes, and the communities in which they live.

scientific study of life

zone of air, land, and water at the surface of the earth in which living organisms are found.

smallest unit that displays the properties of life; always contains cytoplasm surrounded by a plasma membrane.

assemblage of populations interacting with one another within the same environment.

statement made following an experiment as to wether the results support the hypothesis.

sample that goes through all the steps of an experiment but lacks the factor or is not exposed to the factor being tested; a standard against which results of an experiment are checked.

total pattern of human behavior; includes technology and the arts and depends upon the capacity to speak the transmit knowledge.

acts or pieces of info collected through observation and or experimentation.

group of stages by which a zygote becomes and organism or by which an organism changes during its life span; including puberty and aging

the primary taxonomic group above the kingdom level; all living organisms may be placed in 1 of 3 domains.

biological community together with the associated abiotic environment; characterized by energy flow and chemical cycling.

descent of organisms from common ancestors with the development of genetic and phenotypic changes over time that makes them more suited to the environment.

artificial situation devised to test a hypothesis

value expected to change as a result of an experiment; represents the factor being tested by the experiment

total disappearance of a species or higher group

unit of heredity existing as alleles on the chromosomes; in diploid organisms, typically two alleles are inherited- one from each parent.

maintenance of normal internal conditions in a cell or an organism by means of self-regulating machanisms

supposition that is formulated after making an observation; it can be tested by obtaining more data often by experimentation.

one of the categories used to classify organisms; the category above phylum

all of the chemical reactions that occur in a cell

union of two or more atoms of the same element; also, the smallest part of a compound that retains the properties of the compound.

organism composed of many cells; usually has organized tissues, organs and organ systems.

combination of two or more different tissues performing a common function

individual living thing

group of related organs working together

treatment that is an inactive substance, (pill, liquid), administered as if it were a therapy

organisms of the same species occupying a certain area

theory generally accepted by an overwhelming number of scientists; a law

to produce a new individual of the same type

development of concepts about the natural world, often by using the scientific method

process of attaining knowledge by making observations, testing hypotheses, and coming to conclusions.

concept supported by a broad range of observations, experiments, and conclusions.

group of similarly constructed organisms capable of interbreeding and producing fertile offspring; organisms that share a common gene pool.

number used in evaluating statistical data to show the range of error in the data.

the science or study of the practical or industrial arts.

group exposed to the experimental variable in an experiment, rather than the control group

group of similar cells that perform a common function

an animal with a vertebral column.