Enviromental Science Exam 1 Vocabulary - Ren

Vocabulary Word
Definition
Aquifer
A permeable rock layer storing and transmitting groundwater.
Atmosphere
One of the Earth's spheres, including the air.
Biodiversity
Variety of life in all its forms and levels of organization.
Biodiversity Hotspots
Areas with high biodiversity under threat.
Biosphere
One of the Earth's spheres, including all living organisms.
Biotic and Abiotic Factors
Living and non-living components in an ecosystem.
Carrying Capacity
Maximum population size an environment can support.
Circular Flow
In circular economies, money flows through businesses and households.
Competitive Exclusion Principle
Two species competing for the same resource cannot coexist.
Cost-Benefit Analysis
Evaluation of environmental policies based on benefits and costs.
Discount Rate
Rate used to calculate the present value of future costs and benefits.
Economic Progress
Improvement in economic conditions over time.
Economic Systems
Circular flow in economies where money circulates through businesses and households.
Ecosystem
A complex system of communities and abiotic factors.
Ecosystem Restoration
Presence of soil, water, and suitable conditions.
Ecosystem Services
Benefits humans derive from ecosystems.
Endocrine Disruption
Interference with the endocrine system affecting hormone function.
Endocrine System
System regulating hormones in organisms.
Environmental Disasters
Events negatively impacting GDP by damaging the environment.
Environmental Paradox
Observation that economic progress often harms the environment.
Environmental Pollution
Negative impact on the environment from human activities.
Environmental Protection
Policies undertaken when benefits outweigh costs.
Estuary
Aquatic biome in the transition zone between land and sea.
Evolution by Natural Selection
Process by which organisms with advantageous traits survive and reproduce.
Exponential Growth
Rapid, unchecked growth in population size.
Exponential Growth Model
A population growth model where the Population at the End = Population number at the start + (A constant * time).
Food Web
Complex network of interrelated food chains in an ecosystem.
Genuine Progress Indicator (GPI)
A metric measuring a nation's well-being by considering economic, social, and environmental factors.
Gross Domestic Product (GDP)
Total value of goods and services produced in a country.
Hierarchy of Species
Biological classification from Kingdom to Species.
Human Development Index (HDI)
Composite index measuring a country's achievements in various dimensions.
Hydrosphere
One of the Earth's spheres, including all water.
Indicator Species
Species indicating environmental health or changes.
Intergenerational Equity
Fair distribution of environmental resources between present and future generations.
Invasive Species
Species introduced to new environments with harmful effects.
Keystone Species
Species with a disproportionate impact on its ecosystem.
Logistic Population Growth
Population growth model where growth slows as the population approaches carrying capacity.
Market Approach
Environmental pollution control through market mechanisms.
Microclimate
Small-scale variations in climate within a specific area.
Natural Selection
Mechanism of evolution by which organisms best adapted to their environment survive.
Neoclassical Economics
View of the economy without considering environmental factors.
Net Primary Production Web
Transfers energy through trophic levels in ecosystems.
Net Primary Productivity (NPP)
The difference between photosynthesis and respiration in an ecosystem.
Nuclear Fusion
In the sun, nuclear fusion occurs, converting hydrogen to helium and releasing energy, including gamma rays.
Organic and Inorganic Compounds
Distinction based on carbon presence.
pH Scale
Logarithmic scale measuring acidity or alkalinity.
Photosynthesis Formula
6CO2​+6H2​O+light energyβ†’C6​H12​O6​+6O2​
Pollination
Mutualistic process involving the transfer of pollen by bees.
Population Growth Models
Mathematical representations of population changes over time.
Potassium Fertilizer
Example of a factor affecting plant growth.
Primary Succession
Succession on bare substrates, starting with pioneer species.
R-Selected Species
Species with high reproductive rates and minimal parental care.
Rachel Carson
Environmentalist credited with leading environmental protection efforts. DDT
Respiration Formula
C6​H12​O6​+6O2→​6CO2​+6H2​O+light energy
Secondary Succession
Succession in areas where a disturbance has destroyed an existing community but left the soil intact.
Silent Spring
Book leading to the ban of DDT and environmental protection laws.
Silent Spring
Book by Rachel Carson's condemns the overuse of pesticides. led tothe foundation of the EPA, The Clean Water Act and the Clean Air Act.
Sterile Offspring
Offspring unable to reproduce, e.g., mules.
Succession
Natural process restoring ecosystems over time.
Sunburn Wavelength
The ultraviolet (UV) wavelength on the solar spectrum responsible for sunburns.
Sustainability
Meeting present needs without compromising future generations.
Technological Optimism
Belief in using technology to solve environmental issues.
Trophic Level
Position an organism occupies in a food chain.
Trophic Levels
Position an organism occupies in a food chain.
Ecotone
a region of transition between two biological communities.
Anthropocentric
refers to a perspective or belief system that considers human beings as the central or most important entities in the universe,
Intrinsic Value
often forms the basis for environmental conservation and preservation efforts aimed at safeguarding the integrity of ecosystems and the diversity of life on Earth.

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