The theory that living things come only from another living thing.

smallest unit of organism.

standard to which nothing changes.

first word of the two word definition.

regulation of an organisms internal life maintaining conditions.

prediction that can be tested

first and largest category used to classify organisms.

statement that cannot be changed.

any living thing.

outward physical appearance.

procedures used to answer questions.

the idea that living things come from non living things

explanation of thought.

something explaining that can be changed.