Biology - Unit 1 Test

data

Facts and statistics collected together for reference or analysis

analysis

The process or result of identifying the parts of a whole and their relationships to one another

modeling

the process of observing and imitating a behavior

species

A group of similar organisms that can breed and produce fertile offspring

keystone species

a species that has an unusually large effect on its ecosystem

ecosystem engineers

a keystone species that dramatically alter their environment

biodiversity

The number of different species in an area

biotic

living

abiotic

non-living

hypotheses

A logical idea that can be tested

environmental conditions

the state of the environment

independent variable

variable that is manipulated

dependent variable

the outcome of the independent variable

data table

A grid that displays the data plotted in a chart

graph/ chart

A visual representation of data

qualitative data

descriptive data

quantitative data

numerical data

control group

the group that does not receive the experimental treatment

experimental group

the group in an experiment that receives the variable being tested

microscope

An instrument that makes small objects look larger

cells

smallest unit of life

DNA

the molecule that carries the instructions for life

growth and development

happens within a lifetime

homeostasis

stable internal environment

stimulus

a signal to which an organism responds

evolution

change that happens over generations

energy

responsible for growth and development of organisms

reproduction

the production of offspring

microorganisms

organisms that are too small to be seen with the naked eye

bacteria

tiny living organisms made of a single cell

viruses

tiny particles that need a host to reproduce