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TermDefinition
Domains There are three domains of life, the Archaea, the Bacteria, and the Eucarya.
plant cells Plant cell, the basic unit of all plants. Plant cells, like animal cells, are eukaryotic, meaning they have a membrane-bound nucleus and organelles.
dichotomous A dichotomous key is an important scientific tool, used to identify different organisms, based the organism's observable traits
Kingdom the second highest taxonomic rank, just below domain. Kingdoms are divided into smaller groups called phyla.
taxonomy scale Taxonomy is the science of naming, describing and classifying organisms and includes all plants, animals and microorganisms
ecosystem a biological community of interacting organisms and their physical environment.
homostasis living things use to actively maintain fairly stable conditions necessary for survival.
Body system Body systems are groups of organs and tissues that work together to perform important jobs for the body.
Respritory system the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements.
digestive system The system of organs responsible for getting food into and out of the body and for making use of food to keep the body healthy.
Waste system Waste is any substance which is discarded after primary use, or is worthless, defective and of no use.
The circultory system The circulatory system is made up of blood vessels that carry blood away from and towards the heart.
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