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life Science 3a
cells
Question | Answer |
---|---|
two or more tissues that work together to perform a specific function | organ |
the ability to do work | energy |
a complete, living thing | organism |
a tiny unit of living material surrounded by a thin membrane | cell |
composed of more than one cell | mutlicellular |
the sequence of stages during an organism's life | life cycle |
substances that have carbon in them and are made by living cells | organic compound |
the living material in a cell | cytoplasm |
(object) "possessing life" | animate |
cells with membrane-bound structures | eukaryotic |
four stages of a life cycle | birth, growth, reproduction, death |
a characteristic produced when organized systems of nonliving substances use energy and maintain the characteristics of living things is | physical life |
Organisms grow by _________, the process by hich living cells convert nutrients into cellular structures | assimilation |
(object) "not living" | inanimate |
the sequence of stages during an organisms life | life cycle |
cells without membrane-bound structures | prokaryotic |
composed on entirely one cell | unicellular |
composed of a group of similar cells living together | colonial |
a group of similar cells that together perform a specific function | tissue |
Plants obtain energy from | sun |
animals obtain energy from | plants |
man's relationship with God | spiritual life |
theory that asserts that living organisms and their inorganic surroundings have evolved together as a single living system that greatly affects the chemistry and conditions of Earth's surface | Gaia Theory (believed by many environmentalists) |