Honors Biology Final Word Scramble

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Term	Definition
Ecology	The study of interactions between organisms and the living and nonliving components of their environment.
Biotic Factor	A living component of the environment.
Abiotic Factor	A nonliving component of the environment, including the physical and chemical characteristics of the environment.
Acclimation	The adjustment of tolerance to abiotic factors.
Conformer	An organism that does not regulate its internal conditions.
Regulator	An organism that uses energy to control some internal conditions.
Niche	A species' way of life, or the role that it plays in its environment.
Fundamental Niche	The range of conditions that a species can potentially tolerate as well as the resources it can potentially use.
Realized Niche	The range of resources that a species actually uses.
Generalist	A species with broad niches, being able to tolerate a range of conditions and use a variety of resources.
Specialist	A species that has narrow niches.
Population Density	How crowded a population is.
Dispersion	The spatial distribution of individuals within a population.
Density-Independent Factor	A limiting factor that reduces population size by the same proportion, regardless of the population's size.
Density-Dependent Factor	A factor that that reduces population size in relation to the population density.
Predator	An individual who captures, kills, and consumes another individual.
Prey	An individual who is captured, killed, and consumed.
Herbivore	An organism that eats plants.
Secondary Compound	A chemical synthesized by plants that is poisonous, irritating, or bad-tasting.
Parasitism	A species interaction that resembles predation where one individual is harmed while the other benefits.
Parasite	The individual who feeds on another individual in parasitism.
Host	The individual being feeded on in parasitism.
Ectoparasite	An external parasite that lives on their host but does not enter the host's body.
Endoparasite	An internal parasite that lives inside of the hosts body.
Competitive Exclusion	A principle in which one species is eliminated from a community because of competition for the same limited resource.
Mutualism	A cooperative relationship in which both species derives some benefit.
Species Richness	The number of species a community contains.
Species Diversity	The number of species in the community in relation to the abundance of each species.
Succession	The gradual, sequential regrowth of species in an area.
Primary Succession	The development of a community in an area that has not supported life previously.
Secondary Succession	The sequential replacement of species that follows disruption of an existing community.
Chemosynthesis	A bacteria's ability to produce carbohydrates by using energy from inorganic molecules.
Gross Primary Productivity	The rate at which produces in an ecosystem capture energy.
Biomass	The organic material in an ecosystem.
Net Primary Productivity	The rate at which biomass accumulates.
Consumers	Organisms that obtain energy by consuming organic molecules made by other organisms.
Carnivore	An organism that eats consumers.
Omnivore	An organism that eats both consumers and producers.
Detritivore	A consumer that feeds on the wastes of an ecosystem.
Decomposer	An organism that causes decay by breaking down the complex molecules in dead tissues and wastes into simpler molecules.
Trophic Level	An organism's position in the sequence of energy transfers.
Food Chain	A single pathway of feeding relationships among organisms in an ecosystem that results in energy transfer.
Food Web	The interrelated food chains in an ecosystem.
Nitrogen Cycle	The complex pathway that nitrogen follows within an ecosystem.
Nitrogen Fixation	The process of converting nitrogen gas to nitrate,
Nitrogen-Fixing Bacteria	Organisms that convert nitrogen gas into ammonia, nitrite, and then nitrate.
Ammonofication	The process in which a decomposer breaks down the corpses and wastes of organisms and releases the nitrogen they contain as ammonia.
Nitrification	A process in which bacteria take up ammonia and oxidize it into nitrites and nitrates.
Dentrification	A process in which anaerobic bacteria breaks down nitrates and releases nitrogen gas back into the atmosphere.
Tundra	A cold and largely treeless biome that forms a continuous belt across North America, Europe, and Asia.
Biome	A very large terrestrial ecosystem that contains a number of smaller by related ecosystems within them.
Photic Zone	The part of the ocean that receives sunlight.
Aphotic Zone	The dark depths of the ocean where sunlight cannot penetrate.
Intertidal Zone	The area in which tides along ocean shores produce a rhythmic rise and fall of the water level.
Neretic Zone	The part of an ocean that is very shallow.
Oceanic Zone	The deep water of the open sea.
Pelagic Zone	The open ocean.
Benthic Zone	The ocean bottom.
Plankton	Communities of small organisms that drift with ocean currents.
Estuary	A occurrence where freshwater rivers and streams flow into the sea.
Eutrophic Lakes	Lakes that are rich in organic matter and vegetation.
Oligotrophic Lakes	Lakes that contain little organic matter.
Biosphere	The broadest, most inclusive level of organization.
Ecosystem	All of the organisms and the nonliving environment found in a particular place.
Community	All of the interacting organisms living in an area.
Population	All of the members of a species that live in one place at one time.
Competition	The use of the same limited resource by two or more species.
Pioneer Species	Small, fast-growing, and fast-reproducing species that predominate early in succession.
Ground Water	Water in the soil or in underground formations or porous rock.
Water Cycle	The movement of water between various reservoirs.
Transpiration	A process in which plants take in water through their roots and take in carbon dioxide through their stomata.
Carbon Cycle	A process in which carbon is cycled through the biosphere.
Taiga	A forested biome dominated by evergreen trees.
Temperate Deciduous Forest	A biome characterized by trees that lose all of their leaves in the fall.
Temperate Grasslands	A biome that is dominated by grasses.
Desert	A biome that receives an average of less than 25 centimeters of rainfall per year.
Savanna	A tropical or subtropical biome with scattered trees and shrubs.
Tropical Rain Forest	A biome located near the equator characterized by tall trees, heavy rainfall, and lots of sunlight.

Created by: Metalicalypse

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