Classification of Living Things Classification is defined as identification, naming, and grouping of organisms into a formal system based on similarities such as internal and external anatomy, physiological functions, genetic makeup, or evolutionary history. ... Scientists compare the external shapes and sizes of organisms as well as the anatomy and function of internal organs and organ systems, such as the digestive or reproductive systems. ... Only a tiny percentage of plant species are directly used by humans for food, shelter, fiber, and drugs. ... Humans benefits from ...

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Clone, an organism, or group of organisms, derived from another organism by an asexual reproductive process . ... The ethics of human cloning has become an issue in today's society for many reasons. ... For instance, the use for medical purposes can be helpful in cases such as producing animals with human body systems that could be used for transplanting organs Human Cloning is a big issue in the world today. ... President Clinton has banned federal funds from being used for human cloning research, stati...

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Important Facts the smallest unit of life is the cell instructions for development are contained in DNA collectively, all of the chemical processes in a cell are called metabolism producers often obtain energy from the sun homeostasis refers to the ability to maintain a constant internal environment cells in domains archaea and eubacteria lack nucleii plants are multicellular producers an educated guess might be called a hypothesis science is based on evidence philosophy is not a step in the scientific method an atom is the smallest unit of substance that retains the properties of the subst...

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• Grade Level: High School