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Systems & Survivial
5th GradeLife Science
| Question | Answer |
|---|---|
| acquired traits | behavioral traits that are learned through instruction, observation, or trial and error, or physical traits acquired through environmental factors. |
| ancient life forms | are very old. They existed many thousand years ago. |
| behavioral adaptation | an instinct that helps the organism to survive |
| castastrophic event | a natural occurrence that causes destruction and change in the environment. It may include volcanic eruptions, earthquakes, tsunamis, and severe weather events, such as hurricanes, tornadoes, and floods. |
| climate change | a long-term change in daily weather conditions, such as temperature, precipitation, and wind patterns. Climate change must experience the change in conditions for at least decades to millions of years. |
| endangered species | any organism that is in danger of becoming extinct. |
| external cues | signals received by an organism through the environmental, such as temperature changes and light changes. |
| extinct | plants or animals once lived on the Earth but have all died. |
| fossils | remains or traces of ancient life forms. |
| habit | a behavior learned through repetition |
| habitat destruction | a process that result in the devastation of a natural habitat causing the displacement or death of plants and animals in the region. The habitat can no longer support the organisms in their growth and survival |
| heredity | the passing on of characteristics from parent to young. |
| inherited traits | physical traits that are passed from parents to young. |
| instinctive behavior | something that an animal does without prior instruction or automatically from birth. |
| internal cues | signals received by an organism through senses, such as hunger, thirst, and pain. |
| learned behaviors | something an animal does with prior instruction and cannot accomplish without instruction. |
| modern life forms | plants and animals that exist right now or have existed within modern history. |
| natural selection | a process by which characteristics that make an organism more suited to its environment become more common in a species. |
| physical adaptation | a structure or body part that helps the organism to survive. |
Created by:
hworden
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