Terms : Hide Images
| 9681963660 | free energy | energy that is available to do work | 0 | |
| 9681976763 | endothermy | use of thermal energy generated by metabolism to maintain homeostatic body temperatures | 1 | |
| 9681994860 | ectothermy | use of external thermal energy to help regulate and maintain body temperature | 2 | |
| 9682031497 | Organisms must dedicate free energy for ______ before reproduction and rearing offspring. | homeostasis maintenance growth | 3 | |
| 9682056180 | population | A group of individuals that belong to the same species and live in the same area at the same time | 4 | |
| 9682067101 | symbiosis | A close relationship between two species that benefits at least one of the species. | 5 | |
| 9682074536 | mutualism | A relationship between two species in which both species benefit | 6 | |
| 9682077401 | commensalism | A relationship between two organisms in which one organism benefits and the other is unaffected | 7 | |
| 9682095616 | parasitism | A relationship between two organisms of different species where one benefits and the other is harmed | 8 | |
| 9682103629 | predator-prey relationship | when an animal hunts and eats another animal (ex. lion and antelope) | 9 | |
| 9682109789 | abiotic | A term that describes a nonliving factor in an ecosystem. | 10 | |
| 9682112608 | biotic | Describes living factors in the environment. | 11 | |
| 9682351482 | community | A group of interdependent organisms inhabiting the same region and interacting with each other | 12 | |
| 9682354081 | ecosystem | a community of organisms and their abiotic environment | 13 | |
| 9682357833 | food chain | A series of steps in which organisms transfer matter and energy by eating and being eaten | 14 | |
| 9682361301 | food web | a community of organisms where there are several interrelated food chains | 15 | |
| 9682370692 | invasive species | organisms that become established outside their native range | 16 | |
| 9683901493 | exponential growth | reproduction without constraints J shaped | 17 | |
| 9683925179 | logistic growth | Population growth that is controlled by limited resources S shaped | 18 | |
| 9683934452 | What "flows" and what "recycles" in an ecosystem? | Matter Cycles; Energy Flows | 19 | |
| 9683958774 | primary productivity | rate at which organic matter is created by producers in an ecosystem | 20 | |
| 9683971083 | density-dependent | limiting factor that depends on population size | 21 | |
| 13555099869 | Entropy | a measure of the disorder of a system | 22 | |
| 13555104668 | reproductive strategies | How quickly a population can potentially increase, reflecting the biology of the species (life span, fecundity, maturity rate, etc.). | 23 | |
| 13555112279 | fecundity | fertility; fruitfulness | 24 | |
| 13555118127 | life history strategy | An organism's allocation of energy throughout its lifetime among three competing goals: growing, surviving, and reproducing. | 25 | |
| 13555136733 | Producer | an organism that makes its own food (typically through photosynthesis); an organism that does not consume other plants or animals; "produces" energy for for the rest of the ecosystem | 26 | |
| 13555164141 | trophic 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. Ex: producer --> herbivore --> carnivore | 27 | |
| 13555178114 | consumer | An organism that obtains energy by feeding on other organisms | 28 | |
| 13555180785 | Herbivore | A consumer that eats only plants. | 29 | |
| 13555183300 | Carnivore | A consumer that eats only animals. | 30 | |
| 13555183301 | Omnivore | A consumer that eats both plants and animals | 31 | |
| 13555230231 | Symbiosis | A relationship in which two different organisms live in close association with each other | 32 | |
| 13555233683 | Mutualism | symbiotic relationship in which both species benefit from the relationship | 33 | |
| 13555236170 | Commensalism | A relationship between two organisms in which one organism benefits and the other is unaffected | 34 | |
| 13555240820 | Parasitism | A relationship between two organisms of different species where one benefits and the other is harmed | 35 | |
| 13555251925 | population density | Number of individuals per unit area | 36 | |
| 13555299338 | Predator Warning | A system in which prey can send a warning signal to the predator. | 37 | |
| 13555311815 | exponential growth curve | j-shaped curve showing the rapid increase in an exponentially growing population | 38 | |
| 13555318234 | logistic growth curve | a plot that shows how the initial exponential growth of a population is slowed and finally brought to a standstill by limiting factors | 39 | |
| 13555325502 | primary productivity | 40 | ||
| 13555331705 | keystone species | a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically. | 41 |
