124317709 | Innate Behavior | Certain behaviors that are not learned but are"built in" | |
124317710 | Imprinting | Learning a behavior at a specific time in an organisms life | |
124317711 | Fixed Action Pattern | A set of behaviors that cannot be changed | |
124317712 | Sign Stimulus | An external sensory stimulus that triggers FAP | |
124317713 | Kinesis | Changing the rate of an action in response to a stimulus; moving around until suitable and is found | |
124317714 | Taxis | Movement away or toward a stimulus; constantly moving from land to land | |
124317715 | Migration | The seasonal movement of a complete population of animals from one area to another | |
124317716 | Pheromones | Chemicals that are communicated with; a dog peeing on a tree marks its territory | |
124317717 | Learning Behavior | Modifying your behavior based on specific events in a lifetime; modified by experience | |
124317718 | Habituation | After repition, animals begins to ignore; loss of response to stimulus | |
124317719 | Classical Conditioning | Learning associated with a reward or punishment | |
124317720 | Operant conditiong | Learning by trial and error | |
124317721 | Sexual Selection | Mate choosig the opposite gender; natural selection for mating success | |
124317722 | Agnostic Behavior | Two competitors competeing for access to a resource | |
124317723 | Altruism | Concern for the well-being of others or a group; an animal giving up oneself for another based on relatedness | |
124317724 | Hamiltons Rule | The benefit to the recipient must exceed the cost to the altruist | |
124317725 | Estuary | Connects rivers to oceans; nursery for animals | |
124317726 | Oligotrophic | Nutrient poor and oxygen-rich | |
124317727 | Eutrophic | Nutrient rich and oxygen-poor | |
124317728 | Biotic | Living factors in an environment | |
124317729 | Abiotic | Non-living, physical, or chemical factors; temperature, light, weather | |
124317730 | Intertidal Zone | Where land meets water | |
124317731 | Oceanic Zone | Past the continental shelf to far depths; not alot of food | |
124317732 | Benthic Zone | Bottom of the aquatic biomes; no light | |
124317733 | TCoral | Warm environments | |
124317734 | Terrestial Biome Factors | Temperature and light | |
124317735 | Water Biome Factors | Sunlight and Solidity | |
124317736 | Tundra | Northern most biome; soil is nutrient poor; short summers; caribou, reindeer, bears, wolves | |
124317737 | Tropical Rain Forests | Equator; high temps; daily rainfall; no dominant species; poor in nutrients and organic material; mammals | |
124317738 | Temperate Grasslands | N. and S. of equator; high organic content soil; mammals; three kinds of grasses | |
124317739 | Savanna | Equatorial and subequatorial; low rainfall; warm year round; soil low in minerals; lions, zebras, gazelles | |
124317740 | Chaparral | Midlatitude coastal region; dry summers and mild winters; frequent fires; seasonal rain; deer, goats, amphibians | |
124317741 | Temperate Decidious Forest | Midlatitude; hot summers cold winters; soil depletion and erosion; mammals, birds, insects | |
124317742 | Coniferous Forest (taiga) | S. of tundra; cold and severe winters; low precipitation; acidic soil; moose, brown bears, siberian tigers | |
124317743 | Desert | N. and S. latitude or inside continents; low rainfall; hot days, freezing nights; rodents, amphibians, birds, insects | |
124317744 | Population Density | Number of people per unit area; Change in pop. size/time interval over which we are evolved pop. growth= births - deaths | |
124317745 | Uniform Distribution | pattern based; evenly spaced individuals; ex. forest of trees | |
124317746 | Random Distribution | Arbitrary pattern of individuals; ex. ants on a sidewalk | |
124317747 | Clumped Distribution | Individuals are aggregated in patches or groups; ex. school of fish or pride of lions | |
124317748 | Exponential Growth | Unlimited growth of the population because of no limitation on resources; mice | |
124317749 | Logistic Growth | Limited growth of the populatio because of limited resources | |
124317750 | K Strategies | Density near their resources or carrying capacity; ex. humans | |
124317751 | R Strategies | A population that grows fast, reproduces fast, and dies quickly; ex. bacteria | |
124317752 | Carrying Capacity | The maximum population size a habitat can hold | |
124317753 | Density Dependent Factors | Factors that affect pop. size based on the density of pop.; food, predation, migration, disease | |
124317754 | Density Independent Factors | Factors that affect the pop. size regardless of density; weather, natural disaster | |
124317755 | Population Growth Sum | Change in pop. size/change in time interval=intrinsic rate of increase(population size)((number of extra individuals in environ.)/carrying capacity); dN/dt=rmaxN((k-N)/k) | |
124317756 | Predator Prey Growth Curve | Up, down, up, down; ex. bunnys and wolves, wolves eat bunnies, bunny number goes down, lack of food causes wolf number to go down, bunny pop. rises, more food available for wolves and wolf pop. rises, etc. | |
124317757 | Community | All the organisms in a certain area | |
124317758 | Symbiosis | Living together between a host and a symbiont | |
124317759 | Competition | Two organisms that fight for a resource such as land or food | |
124317760 | Predation | Predator eats the prey; one species benefits and the other does not | |
124317761 | Herbivory | An organism that eats only plants | |
124317762 | Mutualism | Both species benefit from the interaction | |
124317763 | Comensalism | One species benefits and the other is not affected | |
124317764 | Parsitism | Parasites live off the host; one species benefits and the other is harmed | |
124317765 | Habitat | Where an organism lives | |
124317766 | Niche | The role a plant or animal plays in its community/habitat; 1 species per niche | |
124317767 | Food Webs | Organisms feeding at ore than one tophic level | |
124317768 | Food Chains | Food is transferred from one trophic level to the next | |
124317769 | Dominant Species | Species in a community with the highest abundance or biomass | |
124317770 | Keystone Species | Not abundant in a community but has control on the community structure | |
124317771 | Foundation Species | Dominant primary producer in an ecosystem both in terms of abundance and influence | |
124317772 | Primary Succession | Starts with lifeless condition; can take hundreds of years | |
124317773 | Secondary Succession | Area has been destroyed by a natural disaster and returns to normal state because fertile soil has not been removed | |
124317774 | Species Richness | The number of species in a biological community | |
124317775 | Relative Abundance | Differences in the abundance of different species within a community | |
124317776 | Energy Pyramid | Tertiary consumer, seconary consumer, primary consumer | |
124317777 | Primary Producton | The amount of light energy converted to chemical energy in an ecosystem | |
124317778 | Net Primary Production | The energy used by producers for cell respiration subtracted from the gross primary productivity | |
124317779 | Limiting Nutrients | An element that must be added for production to increase in a particular area | |
124317780 | Decomposers | Any of the saprobic fungi and prokaryotes that absorb nutriens from nonliving organic material such as corpses, fallen plant matertial, and the wastes of living organisms, and convert them into inorganic forms | |
124317781 | Water Cycle | Cycleing of water through evaporation, precipitation, percolation, and runoff | |
124317782 | Cabon/Oxygen Cycle | Cycling of carbon through photosynthesis and cellular respiration | |
124317783 | Nitrogen Cycle | Nitrogen enters the cycle as atmospheric nitrogen or through nitrogen fixation | |
124317784 | Phosphorous Cycle | From the weathering of rocks or soil are cycled around from one organism to another | |
124317785 | Nitrogen Fixation | The conversion of nitrogen into compounds that can be used | |
124317786 | Biomagnification | Retained substances become more concentrated with each link in the food chain |
Ecology
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