Biology Chapter 1 Vocab

Prefix- A

not, without, or absent

Prefix- AB

away or apart

Prefix- AD

to or toward

Prefix- AERO

air

Prefix- AMPHI

both

biology

the study of life

science

the knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws or principles that can be verified or tested.

species

a group of genetically similar organisms that can produce fertile offspring

biosphere

made up of all living things and all the places that they are found on Earth

biodiversity

the variety of organisms in a given area

DNA

the genetic material that contains the information that determines inherited characteristics

system

an organized group of related parts that interact to form a whole

evolution

the change in living things over time

accuracy

a description of how close a measurement is to the true value of the quantity measured

homeostasis

the maintenance of constant internal conditions in an environment

metabolism

all of the chemical processes that build up or break down materials in an organism

observations

using senses or other tools to study the world

theory

proposed explanation for a wide range of evidence

hypothesis

a proposed answer for a scientific answer

constants

Conditions that don't change during an experiment

experiments

scientists use these, which contain independent and dependent variables, to test a hypothesis

microscope

used in labs to provide an enlarged image of an object

measurement

the determination of the dimensions of an object using a standard unit

precision

the exactness of a measurement

data

observations that are recorded and can be analyzed

Prefix- AN

without

Prefix- ANA

up or back

Prefix- ANTE

before

Prefix- ANTHROPO

man

Prefix- ANTI

against

organism

any individual living thing

cell

the basic unit of life that are highly organized, tiny structures with thin coverings cell membranes

ecosystem

community of organisms and their physical environment

adaptation

an inherited trait that gives advantage to an individual organism and is passed onto future generations

gene

a segment of DNA that stores genetic material

genomics

study of comparison of genomes both within and across species

molecular genetics

study and manipulation of DNA on a molecular level

biotechnology

the use and application of living things and biological processes

transgenic

organisms that have genes from more than one species, or have altered copies of their own genes

At which stage of scientific method/process are scientists most likely to consider the data and conclusions of other scientists to propose new experiments?

forming the hypothesis

hypotheses

scientists use observations and data to form and test