environmental science

Question 1

intergenerational equity

Answer 1

it is the principle of fairness and justice in relation to the distribution of resources, opportunities, and burdens across different generations

Question 2

intragenerational equity

Answer 2

it relates to the notions of fairness and justice across the communities and states within the present generation

Question 3

toxicity

Answer 3

To extent to which something that is poisonous or harmful

Question 4

lethal dose

Answer 4

this is an indication of the lethal toxicity of a given substance or a type of radiation

Question 5

lethal dose of water

Answer 5

6 litres

Question 6

Coffee lethal dose

Answer 6

118 cups

Question 7

Alcohol lethal dose

Answer 7

13 shots (standard shots)

Question 8

least toxic chemical

Answer 8

Vitamin C (11,900mg)

Question 9

most toxic chemical

Answer 9

Sodium Cyanide(6.4mg)

Question 10

qualitative data

Answer 10

talking about the quality of the object

Question 11

quantitative data

Answer 11

can be counted

Question 12

LD

Answer 12

lethal dose

Question 13

Bioaccumulation

Answer 13

The increase in concentration of harmful toxins within an organism

Question 14

biomagnification

Answer 14

increase in concentration of harmful substances in the environment as they pass through successive trophic levels

Question 15

biomagnification (known in trophic levels)

Answer 15

The lower trophic level it is there will be less toxins in them, in other words saying is that the organism in the bottom of the food chain normally contains the least toxins

Question 16

DDT (pesticides)

Answer 16

DDT is a chemical that is tasteless, colorless, and odorless chemical

Question 17

hydrosphere

Answer 17

the hydrosphere is the combined mass of water found on, under and above the surface of a planet ( for earth it is the place where water is present )

Question 18

lithosphere

Answer 18

it is the rigid outer part of the earth, consisting the crust and upper mantle

Question 19

geosphere

Answer 19

the geosphere its earth iteself

Question 20

aquaculture

Answer 20

it is aquafarming, and is the controlled cultivation of aquatic organisms such as fish, crustaceans.

Question 21

the four sustainability principles

Answer 21

ecological integrity, social equity, economic efficiency, and intergenerational equity

Question 22

Sustainability

Answer 22

the ability to maintain or support a process continuously over time

Question 23

respiration process

Answer 23

the exchange of oxygen and carbon dioxide in order to make energy

Question 24

food chain

Answer 24

one living organism eats another organism, and later that organism is consumed by another larger organism

Question 25

nocturnal

Answer 25

animals that are awake at night

Question 26

diurnal

Answer 26

animals that are living under the sun, during day time

Question 27

crepuscular

Answer 27

animals that are active during dawn and dusk

Question 28

contaminant

Answer 28

Any substance or material that makes something impure or unsuitable by introducing harmful or unwanted elements. Contaminants can affect air, water, soil, or food

Question 29

toxin

Answer 29

Naturally occurring poisonous substances from living organisms

Question 30

contamination

Answer 30

The presence of harmful or unwanted substances in the environment

Question 31

source of contamination

Answer 31

The origin or starting point from which pollutants or harmful substances are released into the environment. These sources introduce contaminants into air, water, soil, and ecosystems, impacting health and the environment.

Question 32

point source

Answer 32

pollution that originates from a single location, making it easy to trace back to it's source some examples can be: factory discharge pipe, oil spill, and smoke stack

Question 33

diffuse source

Answer 33

Pollution that comes from multiple, dispersed sources over a large area, making it harder to pinpoint any single origin some examples can be: road emissions, urban stormwater

Question 34

mobile source

Answer 34

Pollution from moving sources, often related to vehicles that release emissions as they operate some examples can be: trucks, cars, planes

Question 35

difference of pollution and contamination

Answer 35

Pollution is the widespread release of harmful substances into the environment, while contamination is the presence of harmful substances in specific areas or materials

Question 36

chemical contamination

Answer 36

Involves harmful chemicals entering food or products, which can lead to toxicity or poisoning

Question 37

Physical contamination

Answer 37

Occurs when foreign objects enter food or products, potentially causing harm or choking hazards

Question 38

pollutant

Answer 38

A substance that harms the environment by existing at high, harmful concentrations

Question 39

apex predator

Answer 39

it is the animal that sits at the top of a food chain, where there are no predators to it. For example, lions and great white sharks.

Question 40

predator

Answer 40

an animal that eats other animals

Question 41

food chain

Answer 41

A linear sequence of organisms where each is eaten by the next, showing the flow of energy and nutrients

Question 42

producer

Answer 42

Organisms that make their own food through photosynthesis or chemosynthesis, forming the base of the food chain

Question 43

primary consumer

Answer 43

consumers that primarily consume the producers

Question 44

secondary consumer

Answer 44

consumers that consume the primary consumers

Question 45

tertiary consumer

Answer 45

basically apex predators

Question 46

decomposer

Answer 46

organisms that breakdown dead or decaying organic matter, the play a crucial role in the nutrient cycling within the ecosystem.

Question 47

autotroph

Answer 47

Organisms that produce their own food, typically through photosynthesis or chemosynthesis, forming the base of the food chain (some examples can be plants)

Question 48

heterotroph

Answer 48

Organisms that cannot make their own food and must consume other organisms for energy (most animals, fungi and bacteria)

Question 49

stakeholder

Answer 49

an individual, group or organization involved in the decision making related to environmental project or issue

Question 50

stakeholders value

Answer 50

the set of principles, standards or the qualities a stakeholder holds

Question 51

endocrine (canton meaning)

Answer 51

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