Terms : Hide Images
| 14001006707 | ecology | the study of interactions among organisms/organisms and their environment | 0 | |
| 14001015618 | Levels of organization | species, population, community, ecosystem, biome, biosphere | 1 | |
| 14001020587 | species | a group of similar organisms that can breed and produce fertile offspring | 2 | |
| 14001030962 | Population | A group of individuals that belong to the same species and live in the same area | 3 | |
| 14001036774 | community | an assemblage of different populations that live together in a defined area | 4 | |
| 14001043785 | ecosystem | all organisms and their interactions with abiotic factors in an environment | 5 | |
| 14001056420 | biome | a group of ecosystems that share similar species and climate | 6 | |
| 14001072765 | rainforest | lots of rain, trees (big and tall), humid and dark | 7 | |
| 14001109040 | arctic | cold, plants are scarce, species usually have lots of fur to keep warm, snow | 8 | |
| 14001117948 | desert | dry, hot, plants are scarce, sunlight is intense, many nocturnal species, sand | 9 | |
| 14001124379 | Biosphere | a biosphere is a collection of all biomes together, with air, land, and water. (all stuff 8km above and 11km below) | 10 | |
| 14001142177 | biotic factors | All the living organisms that inhabit an environment | 11 | |
| 14001148744 | abiotic factors | Nonliving components of environment. | 12 | |
| 14001163235 | factors affecting distribution (plants) | Temperature, water, light, soil pH, salinity and mineral nutrients | 13 | |
| 14001178088 | factors affecting distribution (animals) | temperature, water, breeding sites, food supply, territory | 14 | |
| 14001191928 | Temperature Requirements | must be in a good range so that organism can maintain homeostasis, heat retention | 15 | |
| 14001201481 | Water requirements | must be available in quantities enough for each species to survive | 16 | |
| 14001219585 | Breeding sites | important to keep the species going | 17 | |
| 14001228039 | Food requirements | certain species need specific food, a particular animal or plant to eat | 18 | |
| 14001239046 | territory | an area, region, or piece of land so that organism remain undisturbed | 19 | |
| 14001247385 | light requirements | must be enough so that plants can carry out photosynthesis and make food | 20 | |
| 14001259285 | Soil pH range | affects nutrients | 21 | |
| 14001267317 | soil salinity | affects osmosis | 22 | |
| 14001278241 | minerals+nutrients | need to be readily available | 23 | |
| 14001315021 | Order of a food chain | sun--> autotroph--> heterotroph | 24 | |
| 14001331234 | food chain | shows the transfer of energy | 25 | |
| 14001345385 | food web | shows a relationship that's more complex than the chain | 26 | |
| 14001358721 | 10% | The amount of energy available within one trophic level that can be transferred to organisms at the next trophic level | 27 | |
| 14001371655 | trophic level | level of nourishment in a food chain | 28 | |
| 14001386453 | 5 | maximum number of organisms in a food chain | 29 | |
| 14001390851 | autotrophs (primary producers) | organisms that produce complex organic compounds on their own, from simple substances in the environment | 30 | |
| 14001416745 | Photosynthesis | Conversion of light energy from the sun into chemical energy. | 31 | |
| 14001416746 | Chemosynthesis | process in which chemical energy is used to produce carbohydrates | 32 | |
| 14001427850 | 6CO2 + 6H2O -> C6H12O6 + 6O2 | photosynthesis equation | 33 | |
| 14001431370 | protista | Kingdom composed of eukaryotes that are not classified as plants, animals, or fungi | 34 | |
| 14001438859 | Heterotrophs (consumers and decomposers) | an organism that cannot produce the nutrients to sustain itself on its own, so it takes energy from other organic carbon based sources, usually plant or animal matter. | 35 | |
| 14001464100 | Herbivores | Consumers that eat only plants | 36 | |
| 14001468412 | carnivores | Consumers that eat only animals | 37 | |
| 14001468413 | omnivores | Consumers that eat both plants and animals. | 38 | |
| 14001473726 | detrivores | Consumers that feed at every trophic level, obtaining their energy and nutrients by eating dead organic matter. | 39 | |
| 14001477393 | decomposers | Organisms that break down the dead remains of other organisms | 40 | |
| 14001486645 | ecological pyramid | diagram that shows the relative amounts of energy or matter within each trophic level in a food chain or food web | 41 | |
| 14001490645 | pyramid of energy | shows the relative amount of energy available at each trophic level of a food chain or food web | 42 | |
| 14001496350 | pyramid of numbers | shows the relative number of individual organisms at each trophic level | 43 | |
| 14001504270 | pyramid of biomass | a graphical representation of biomass in a unit area of various trophic levels | 44 | |
| 14001513606 | biomass | A measure of the total dry mass of organisms within a particular region | 45 | |
| 14001527322 | energy loss in the food chain | cell respiration (heat), feces and urine, tissue loss (can't eat the entire animal), death | 46 | |
| 14001562913 | carbon cycle | The organic circulation of carbon from the atmosphere into organisms and back again | 47 | |
| 14001566025 | steps of the carbon cycle | 1. Carbon enters the atmosphere as carbon dioxide from respiration and combustion 2. CO2 absorbed by producers 3.Primary consumers eat producers 4.Dead consumers and producers decompose in the ground, carbon is returned to the atmosphere | 48 | |
| 14001581198 | water cycle | The continuous process by which water moves from Earth's surface to the atmosphere and back | 49 | |
| 14001584320 | Steps of the water cycle | 1.evaporation, 2. transpiration, 3. condensation, 4. precipitation, 5. run off, 6. seepage, 7. root uptake | 50 | |
| 14001599864 | Population size is affected by: | 1) Reproductive pattern 2) Carrying capacity 3) Rate of Death 4) Environmental resources (births, deaths, immigration, emigration) | 51 | |
| 14001625177 | how to determine growth | births+immigration - death+emigration | 52 | |
| 14001637146 | carrying capacity | the maximum population size that a particular environment can sustain | 53 | |
| 14001650138 | exponential growth | Growth pattern in which the individuals in a population reproduce at a constant rate | 54 | |
| 14001653773 | Sigmoid growth | S-shaped growth curve in which numbers increase exponentially at first, followed by leveling off of growth rate till numbers stabilize at the carrying capacity. | 55 | |
| 14001665644 | density dependent factors | limiting factor that depends on population size | 56 | |
| 14001669124 | density-independent factors | limiting factor that affects all populations in similar ways, regardless of population size | 57 | |
| 14001672845 | niche | An organism's particular role in an ecosystem, or how it makes its living. | 58 | |
| 14001676558 | competition | Organisms compete for the limited number of biotic and abiotic factors | 59 | |
| 14001680756 | predation | An interaction in which one organism (predator) captures and feeds on another organism (prey) | 60 | |
| 14001688230 | symbiosis | A close relationship between two species that benefits at least one of the species. | 61 | |
| 14001693548 | mutualism | A relationship between two species in which both species benefit (flowers+bees, clownfish+sea anenome) | 62 | |
| 14001693549 | commenalism | A relationship between two organisms in which one organism benefits and the other is unaffected (barnacles+whales) | 63 | |
| 14001729066 | Parasitism | A relationship between two organisms of different species where one benefits and the other is harmed (tapeworms, fleas, ticks, lice) | 64 | |
| 14001753498 | lag phase | A short period of time **prior to exponential growth of a population during which no, or very limited, reproduction occurs. | 65 | |
| 14001767228 | log phase | The period of exponential growth, where a multitude of resources and space are availble. | 66 | |
| 14002495097 | transition phase | death and birth rates reach equilibrium | 67 | |
| 14002501047 | plateau phase | the carrying capacity is reached and no more growth occurs. | 68 | |
| 14002526585 | limiting factor | Any biotic or abiotic factor that restricts the existence, numbers, reproduction, or distribution of organisms. | 69 | |
| 14002549292 | biodiversity | the variety of life in the world or in a particular habitat or ecosystem. | 70 | |
| 14002554924 | species diversity | defined as the number and abundance of each species that live in a particular location | 71 | |
| 14002570066 | ecosystem diversity | the number of different ecosystems found in an area/the number of ecological interactions among organisms in an area | 72 | |
| 14002585926 | genetic diversity | the total number of genetic characteristics in the genetic makeup of a species | 73 | |
| 14002594496 | importance of biodiversity | boosts ecosystem productivity where each species all have an important role to play | 74 |
