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fraction
a small part of something
interval
a period between two events or times, or the space between two points
outcome
a result or effect of an action, situation, etc.
recur
to happen many times or to happen again
theoretical
something that is based on an assumption or opinion
target
to focus on something
organism
a single living plant, animal, virus, etc
fungi
any organism that get their food from decaying material or other living things
alter
to change something, usually slightly
excrete
to eliminate material such as solid waste or urine from the body
volunteer
a person who does something willingly and without being forced or paid to do it
appropriate
suitable or right for a particular situation or occasion
participate
to take part in or become involved in an activity
incurable
not able to be cured
evaluate
to judge the value or worth of someone or something
individual
existing and considered separately from the other things or people in a group