Paper 1 Flashcards
What is an Ecosystem?
is a community of living organisms that interact with each other and their non-living environment, like air, water, soil and sunlight, within an specific area
What is Biocapacity?
refers to the ability of an ecosystem to produce renewable resources and absorb waste, particularly, carrbon emissions, in a sstainable matter
What is Natural Capital?
refers to the world´s stock of naural resources including, air, soil, water, minerals, forests, and biocapacity that provide essential goods and services to humans
What is Carring Capacity?
is the maximum number of individuals of a species that an environment can sustainably support over time without degrading its resources
What is NOx Emissions?
refers to nitrogen oxides (NO and NO2) release into the atmosphere, primarily from burning fossil fuels through vehicles, power plants, and industrial processes. They contribute to the air pollution and acid rain fall
What is Ecological Footprint?
is a measure of the impact of human activities on the environment
What is Bioaccumulation?
is the gradual buildup of toxic substances, such as pesticides or heavy metals, found in lipids inside of tissue of ana organism over time. These substances enter through food, water or air and are absorbed faster that ther are broken down. Bioaccumulation can lead to harmfull effects, specially in higher-leve predators in a food chain!
What is Ecological Efficiency?
is the percentage of energy that is transferred from one trophhic level to the next level in a food chain. Typically, only about 10% of energy is passed on to the next
What is Biomagnification?
is the process by which toxic substances increase in concentration as they move up the food chain. Unilike bioaccumulation, that occures in a single organism over time, biomagnification happens across multiple trophic levels, with top predators accumulating the highest levels of toxins.
What is a Biome?
is a large region characterized by its climate, soil, and dominant plant and animal life. They are clasifide based on factors such as temperature, precipitation, and vegetation type. They support ecosystems and species adapted to their specific environment
What are Endemic Species?
are a species that is naturally found in a specific geographic location
What is the Stage 2 of the Demographic Transition Model (DTM)?
is where a country experiences high birth rates and rapidly declining death rates. This leads to rapid population growth.
What is the criterio used for the International Union for Concervation of Nature (IUCN)?
They use a set of criteria use to classify species based on their risk of extinction in the Red List of Threatened Species. Criteria includes:
1. Population size
2. Rate of decline
3. Geographic range
4. Population structure
5. Threats to survival
