Biology STAAR Review Word Scramble
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| Term | Definition |
| Ecology | The study of interactions of living organisms with each other and their environment. |
| Ecosystem | The community of different species in a particular geographic area and all of their interactions with each other and the physical environment; ecosystems are also called ecological networks. |
| Community | Consisting of populations of different species that live together and interact with one another. |
| Ecological relationships | Organisms in an ecosystem exhibit different types of relationships as they interact. In which depend on each other for survival. |
| Symbiosis | Long term, even evolutive relationship between two or more different biological species. |
| Mutualism | Symbiotic relationship in which both organisms are benefited. |
| Commensalism | Symbiotic relationship in which one organism is benefited, and the other is neither helped nor harmed. |
| Parasitism | Symbiotic relationship in which one organism is benefited, and the other is harmed. |
| Competition | In any ecosystem there a finite number of resources. This means that there is a limited amount of nutrients, water, habitats and energy. Organisms must compete for them. |
| Predation | Relationship between predator and prey. |
| Habitat | Area and resources used by a particular species with their abiotic environment. |
| Flow energy | How energy flows in a ecosystem through organisms. |
| Herbivores | Animals that only eat vegetation (plants). |
| Carnivores | Animals that only eat other animals (meat). |
| Omnivores | Animals that eat plants and meat. |
| Detritivores | Consumers that eat decaying matter and animal feces (detritus) and help recycle nutrients within ecosystems. |
| Food chain | Food chain shows the feeding relationships for a single chain of producers and consumers. |
| Food web | Model that shows a complex network of feeding relationships and the related flow of energy. |
| Biotic | Living organisms in a habitat. |
| Abiotic | Non-living things. All the physical and chemical components of a habitat. |
| Autotrophs | Photosynthetic organisms are considered autotrophs because they make their own food. |
| Heterotrophs | Heterotrophic organisms, like animals and fungi, must ingest or absorb nutrients from the environment. Because heterotrophs consume food energy, we call them consumers. |
Created by:
Victor Davila Borja
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