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Systems & Survivial

5th GradeLife Science

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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