click below
click below
Normal Size Small Size show me how
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) |