Question | Answer | Questions | Answer | Questions | Answers | Questions | Answers |
tissue | a group of similar cells that perform a common function | organ | a collection of tissues that carry out a specialized function of the body | consumer | an organism that eats other organisms or organic matter | energy pyramid | a triangular diagram that shows an ecosystem's lost of energy which results as energy passes through the ecosystems food chain |
organs system | a group of organs that work together to perform body functions | organism | living thing. Some organisms are composed of a single cell. Other organisms are composed of many cells. | carnivores | an organism that eats animals | carrying capacity | the largest population that an environment can support at any given time |
population | group of living things of the same species that live in a specific area. | community | all of the populations of species that live in the same habitat and interact with each other | decomposers | an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients | prey | an organism that is killed and eaten by another organism |
ecosystem | a community of organisms and their abiotic, or nonliving, environment | biome | a large region characterized by a specific type of climate and certain types of plant and animal communities | food web | a diagram that shows the feeding relationships between organisms in an ecosystem | commensalism | a relationship between two organisms in which one organism benefits and the other is unaffected |
biosphere | the part of Earth where life exists; includes all of the living organisms on Earth | producers | organisms that make their own food, usually by using the energy from sunlight to make sugar. | food chain | the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms | symbiosis | a relationship in which two different organisms live in close association with each other |
| | | | | | coevolution | when a long term change happens in two species because of their close interactions. |
abiotic | describes the nonliving part of the environment, including water, rocks, light, and temperature | biotic | describes living factors in the environment | tropic level | Each of several hierarchical levels in an ecosystem, comprising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy | mutualism | a relationship between two species in which both species benefit |
ecology | the study of the interactions of living organisms with one another and with their environment | cell | the smallest functional and structural unit of all living organisms; usually consists of a nucleus, cytoplasm, and a membrane | energy | the capacity to do work | predator | an organism that kills and eats all or part of another organism |
herbivore | an organism that eats only plants | omnivores | an organism that eats both plants and animals | scavenger | An animal that feeds on carrion, dead plant material, or refuse. | parasitism | a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed |