two-word naming system that gives all organisms their scientific name
Binomial nomenclature
Theory that living things come only from other living things
biogenesis
smallest unit of an organism that can carry on life functions
cell
standard to which the outcome of a test is compared
control
first word of the two-word scientific name used to identify a group of similar species
Genus
regulations of an organism’s internal life maintaining conditions
homeostasis
prediction that can be tested; an educated guess
hypothesis
first and largest category used to classify organisms
Kingdom
statement about how things work in nature
law
any living thing
organism
evolutionary history of an organism; used today to group organisms into six kingdoms
phylogeny
procedures used to solve problems and answer questions that can include stating the problem, gathering information, forming a hypothesis, testing the hypothesis with an experiment, analyzing data, and drawing conclusions
scientific methods
idea that living things come from nonliving things
spontaneous generation
explanation of things or events based on scientific knowledge resulting from many observations and experiments
theory
something in an experiment that can change
variable
anything that causes some change in an organism
stimulus
all of the changes that take place during the life in an organism
development
Who invented bionomial nomenclature?
Carolus Linnaeus
Species
second name
true or false: Most living things are made up of more than 50% water
true
What is a dichotomous key
A dichotomous key is a tool that helps you figure out what something is by asking one question at a time, with two choices. You keep choosing until you find the answer.
