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Interactions of Life
Unit 1 Science Study Stack
| Question | Answer |
|---|---|
| Any variation that makes an organism better suited to its environment. (Changes in a body to fit a location.) | adaptation |
| The part of the Earth that supports life. (Includes the top part of the Earth's crust, water, and the atmosphere.) | biosphere |
| Consists of all the organisms living in an area, as well as the nonliving parts of that environment. | ecosystem |
| The study of interactions that occur among organisms and their environments. | ecology |
| Made up of all organisms of the same species that live in an area at the same time. | population |
| All the populations of all species living in an ecosystem. | community |
| The place in which an organism lives. | habitat |
| Hypothesis that states organisms with traits best suited to their environment are more likely to survive and reproduce. (Survival of the fittest.) | natural selection |
| Anything that restricts the number of individuals in a population. (Such as food, space, etc.) | limiting factor |
| The largest number of individuals of one species that an ecosystem can support over time. ("The brimming bucket") | carrying capacity |
| The initial stage where a population hasn't started to grow at a fast rate. | lag phase |
| The highest rate of reproduction under ideal conditions. | biotic potential |
| The larger a population gets, the faster it grows. | exponential growth |
| Interactions among members of the same species. | social behavior |
| Organisms that use an outside energy source like the Sun to make energy-rich molecules. They make their own food. (Green plants) | producers |
| Organisms that cannot make their own energy-rich molecules. | consumers |
| The act of converting the Sun's energy into food. Used by green plants through chlorophyll. | photosynthesis |
| Any close relationship between species. | symbiosis |
| A symbiotic relationship in which both species benefit. | mutualism |
| A symbiotic relationship in which one organism benefits and the other is not affected. | commensalism |
| A symbiotic relationship in which one organism benefits and the other is harmed. | parasitism |
| An organism's role in its environment - how it obtains food and shelter, finds a mate, cares for its young, and avoids danger. | niche |
Created by:
mr_grega
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