Pollution
This is the term for pollutants which are released from numerous, widely dispersed origins.
What is non-point source pollution?
Anything that the Earth supplies which can be used by humans, e.g. coal, iron ore, forests, water, air
Natural Resources
DDT
These are three examples of abiotic factors.
Temperature, Precipitation, sunlight, soil and water PH, humidity etc...
The range of different places and different environmental conditions within one area
What is Habitat Diversity?
This is the definition of point-source pollution.
What is the release of a pollutant (or pollutants) from a single, clearly identifiable site - for example a factory chimney or the waste disposal pipe of a a sewage works into a river.
something that is capable of being broken down by natural biological processes is said to be
Biodegradable
Outline 2 sources of water pollution.
runoff, sewage, industrial discharge, solid domestic waste
This is the process by which habitats develop and evolve over time.
What is Ecological Succession
The gradual change in the genetic character of populations over many generations?
What is Evolution?
What are fossil fuels?
This EVS would hold the belief that: Humans are responsible for sustainable global systems through control of population and resource use
What is the phenomenon of too many nutrients causing lack of plant growth and the death of animals due to the lack of oxygen?
Eutrophication
This is the process by which different ecosystems change in an area due to differing abiotic factors.
Zonation-- Such as on a mountain.
A species conservation status is determined by its population size, degree of specialisation, distribution, reproductive potential and behaviour, geographic range, degree of fragmentation, quality of habitat, trophic level and probability of extinction. The IUCN manages a data base of this information, called the WHAT list?
Red
The changes to their presence or absence in an ecosystem is recorded to indicate an indirect measurement of pollution.
Indicator Species
Give an example of a positive Feedback Loop
Permafrost Melting
Forest Fires
Ice caps melting
Outline one effect of the burning of fossil fuels on marine life.
Ex: acid rain that ends up in the sea or other bodies of water and poisons or changes the ph in aquatic ecosystems
This is the main difference between fundamental niche and realized niche.
A fundamental niche describes the full range of conditions and resources in which a specie could survive and reproduce, but a realized niche describes the actual conditions and resources n which a specie exists due to biotic interactions.
D can be used to compare the biodiversity of two similar habitats.
What is the Simpson diversity index?
These pollutants are formed by primary pollutants undergoing physical or chemical changes, for example, sulphuric acid forming when sulphur trioxide reacts with water.
What is Secondary Pollution?
What are the three levels of managing of pollution?
Level 1 – Preventing Pollution
Level 2 – Control Release of Pollutant
Level 3 – Clean up and Restoration
With your understanding of processes such as biomagnification, outline how pollution in water can affect human food consumption.
pollutants like heavy metals (e.g., mercury, lead), persistent organic pollutants (e.g., PCBs, dioxins), and pesticides can enter water bodies, predatory aquatic organisms (e.g., fish, crustaceans) consume herbivores, leading to further concentration of pollutants in their bodies. humans may consume these animals
These are three impacts that the introduction of an invasive species could have in an ecosystem.
Cascade effect-
Loss of direct competitors
Loss predator of those competitors and so on..
Shift in equilibrium (positive feedback?)
Introduction of new diseases
Extirpated prey species of invasive
Loss of diversity in the system overall
Possible increase in food for higher trophic level or humans?
The mechanism by which evolution takes place.
What is Natural Selection