What do decomposers do

fungus grown on glucose syrup. in aerobic conditions then harvested and purified.

A community where the biotic and abiotic factors are in balance with that the population sizes remain fairly constant.

Total number of species in an ecosystem

provided more food or food with better nutritional value

How does a community differ from a population

A population is the total number of one species in an ecosystem

oxygen,suitable temperature,suitable PH

Define interdependence

2 or more organisms relying on one another

oak forest and tropical rainforests

What are the biotic factors

Food availability ,New pathogens,New predators, Competition between species

How can grazing affect the distribution of different plant species

More plant species grow as dominant plants are eaten by animals, so the weaker plants grow as they can get more sunlight and minerals as they aren't being taken up by the dominant plants

producer->primary consumer->secondary consumer->tertiary consumer

What is a stable community

A community where the biotic and abiotic factors are in balance with that the population sizes remain fairly constant.

what are the different levels of organisation in an ecosystem

individual organisms,populations,communities

oxygen,suitable temperature,suitable PH

how does an ecosystem work support wise?

self sufficient, apart from energy which is transferred as light energy from the sun to the plants

Food availability ,New pathogens,New predators, Competition between species

what is adaptations synonymous with

Caused by organisms and affecting other populations' interactions with the ecosystems

gradual increase of temp of earth

what are the 3 types of adaptations

structural, behavioural, functional

certain types of bacteria and fungi

◉in water from sewage, fertiliser, toxic chemicals, ◉in air, sulphur dioxide and other gases that dissolve in atmosphere to cause acid rain ◉on land landfill and toxic chemicals which may be washed into water

what are extremophiles

organisms living in extreme environments like those with high temperature pressure or salt concentration

battery farms for chickens,fish cages for fish

self sufficient, apart from energy which is transferred as light energy from the sun to the plants

give a weird example of an extremophile

More plant species grow as dominant plants are eaten by animals, so the weaker plants grow as they can get more sunlight and minerals as they aren't being taken up by the dominant plants

◉breeding programmes for endangered species ◉protecting rare habitats e.g coral reefs, mangroves ◉ encouraging farmers to keep margins and hedgerows in fields ◉reducing deforestation and CO2 emissions ◉recycling resources rather than dumping in a landfill

how is population estimated

Caused by organisms and affecting other populations' interactions with the ecosystems

structural, behavioural, functional

how is a cactus adapted to be an extremophile

thick stem that stores water,extensive root system to collect water,needles instead of leaves reduce water loss

◉breeding programmes for endangered species ◉protecting rare habitats e.g coral reefs, mangroves ◉ encouraging farmers to keep margins and hedgerows in fields ◉reducing deforestation and CO2 emissions ◉recycling resources rather than dumping in a landfill

methane gas, which can then be used as fuel

how could you check the distribution of plants in a habitat

high energy, high wavelength, infrared light comes in ◉reflects off of earth as low energy, low wavelength, IR ◉CO2 and CH4 in atmosphere absorbs the reflected IR and radiate it back to earth, increasing the temp

certain types of bacteria and fungi

provided more food or food with better nutritional value

Total number of species in an ecosystem

what do decomposers require

oxygen,suitable temperature,suitable PH

how do decomposers break down dead waste

high energy, high wavelength, infrared light comes in ◉reflects off of earth as low energy, low wavelength, IR ◉CO2 and CH4 in atmosphere absorbs the reflected IR and radiate it back to earth, increasing the temp

if waste is broken down in anaerobic conditions what is produced

methane gas, which can then be used as fuel

producer->primary consumer->secondary consumer->tertiary consumer

◉get some milk at room temp, cover it and regularly measure its pH over a few days ◉use either pH probe or universal indicator paper ◉milk should increase in acidity and decrease in pH as it goes sour

microorganisms to be grown in large quantities for food such as the fungus fusarium which is useful for producing mycoprotein. ◉They are grown in industrial vats called fermenters with carefully controlled conditions

what does the carbon cycle describe

structural, behavioural, functional

change in seasons, geographical/weather activity e.g storms, humans interacting

what does the water cycle describe

Caused by organisms and affecting other populations' interactions with the ecosystems

making sure that the whole worlds population has enough food to be healthy

how can food relationships be shown

individual organisms,populations,communities

Producers,tell me about them

making sure that the whole worlds population has enough food to be healthy

what is a trophic level

More plant species grow as dominant plants are eaten by animals, so the weaker plants grow as they can get more sunlight and minerals as they aren't being taken up by the dominant plants

◉in water from sewage, fertiliser, toxic chemicals, ◉in air, sulphur dioxide and other gases that dissolve in atmosphere to cause acid rain ◉on land landfill and toxic chemicals which may be washed into water

what is the order of the food chain

producer->primary consumer->secondary consumer->tertiary consumer

organisms living in extreme environments like those with high temperature pressure or salt concentration

structural, behavioural, functional

change in seasons, geographical/weather activity e.g storms, humans interacting

what factors that put biodiversity at risk

microorganisms to be grown in large quantities for food such as the fungus fusarium which is useful for producing mycoprotein. ◉They are grown in industrial vats called fermenters with carefully controlled conditions

where can pollution occur

◉in water from sewage, fertiliser, toxic chemicals, ◉in air, sulphur dioxide and other gases that dissolve in atmosphere to cause acid rain ◉on land landfill and toxic chemicals which may be washed into water

structural, behavioural, functional

how does burning peat harm the world

making sure that the whole worlds population has enough food to be healthy

◉get some milk at room temp, cover it and regularly measure its pH over a few days ◉use either pH probe or universal indicator paper ◉milk should increase in acidity and decrease in pH as it goes sour

define global warming

gradual increase of temp of earth

Food availability ,New pathogens,New predators, Competition between species

oxygen,suitable temperature,suitable PH

what are the biological consequences of global warming

loss of habitat,changes in distribution of species in areas where temperature or rainfall has changed, changes to migration patterns of animals.

high energy, high wavelength, infrared light comes in ◉reflects off of earth as low energy, low wavelength, IR ◉CO2 and CH4 in atmosphere absorbs the reflected IR and radiate it back to earth, increasing the temp

how have scientists take steps to reduce pollution and overexploitation to maintain biodiversity

◉breeding programmes for endangered species ◉protecting rare habitats e.g coral reefs, mangroves ◉ encouraging farmers to keep margins and hedgerows in fields ◉reducing deforestation and CO2 emissions ◉recycling resources rather than dumping in a landfill

oxygen,suitable temperature,suitable PH

microorganisms to be grown in large quantities for food such as the fungus fusarium which is useful for producing mycoprotein. ◉They are grown in industrial vats called fermenters with carefully controlled conditions

◉get some milk at room temp, cover it and regularly measure its pH over a few days ◉use either pH probe or universal indicator paper ◉milk should increase in acidity and decrease in pH as it goes sour

what happens as a result of pollution to cause global warming

high energy, high wavelength, infrared light comes in ◉reflects off of earth as low energy, low wavelength, IR ◉CO2 and CH4 in atmosphere absorbs the reflected IR and radiate it back to earth, increasing the temp

A population is the total number of one species in an ecosystem

what is food security

making sure that the whole worlds population has enough food to be healthy

oak forest and tropical rainforests

what factors make it harder to supply people with food

battery farms for chickens,fish cages for fish

fungus grown on glucose syrup. in aerobic conditions then harvested and purified.

what is the purpose of pyramids of biomass

compare amount of biomass used in each level of the food chain,show energy flow more clearly

change in seasons, geographical/weather activity e.g storms, humans interacting

structural, behavioural, functional

how much light energy that hits plants is trapped

organisms living in extreme environments like those with high temperature pressure or salt concentration

microorganisms to be grown in large quantities for food such as the fungus fusarium which is useful for producing mycoprotein. ◉They are grown in industrial vats called fermenters with carefully controlled conditions

roughly how much biomass is transferred to the level above it

Caused by organisms and affecting other populations' interactions with the ecosystems

why is it that only 10% of energy is passed on to the next trophic level?

More plant species grow as dominant plants are eaten by animals, so the weaker plants grow as they can get more sunlight and minerals as they aren't being taken up by the dominant plants

producer->primary consumer->secondary consumer->tertiary consumer

organisms living in extreme environments like those with high temperature pressure or salt concentration

what does the gross loss of energy from one trophic level mean in terms of organism count?

individual organisms,populations,communities

неотложный GCSE Biology Ecology

Authored by Thanzil Ahmed Sakir Husain

Biology

University

Used 13+ times

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62 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does abiotic mean

◉some food passed out in faeces ◉large amounts of glucose used in respiration ◉some material lost in excretion

Non-living things

◉stretch a transect line (kinda like long tape) across the area ◉place a quadrat at regular intervals ◉count plants in the quadrat each time ◉compare the results

secrete enzymes which party digest waste,then take up small soluble food molecules

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does biotic mean

living organisms

availability of water,temperature,atmospheric gases

as the trophic level increase the no. of organisms decreases as they need more energy and have less available.

Fish farms, and planted forests

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are abiotic factors

a limit on how may fish you can catch

Place where an organism lives in the ecosystem

Physical (non living) conditions that affect organism distribution (population and habitat)

secrete enzymes which party digest waste,then take up small soluble food molecules

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the abiotic factors?

usually a green plant produces the molecules (usually glucose through photosynthesis), eaten by primary consumers

Place where an organism lives in the ecosystem

Temp, Light intensity , Oxygen levels for plants and animals in water, Co2 levels for plants, Moisture (water), Soil pH, mineral contents (plants),Wind intensity and direction.

protein rich,low fat,high fibre, vege

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define ecosystem

Interaction of a community (of living organisms) with abiotic parts of their environment.

secrete enzymes which party digest waste,then take up small soluble food molecules

how fresh water circulates between living organisms rivers and the sea

reduce energy transfer from animals to environment: restrict/limit movement of animals, control temp of surrounding(less excretion?) also they can be fed high protein foods to increase growth.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Give an example of an artificial ecosystem

Fish farms, and planted forests

releases CO2 into atmosphere

a limit on how may fish you can catch

bacteria living in deep sea vents

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Define biodiversity

Total number of organisms in an area

Range of different plants and organisms in an ecosystem

Place where an organism lives in the ecosystem

increased birth rate, changing diets, new pests and pathogens (screws with farms), change in weather e.g. drought=famine, cost of farm supplies like fertiliser going up, conflict in parts of world

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неотложный GCSE Biology Ecology

What does abiotic mean

What does biotic mean

What are abiotic factors

What are the abiotic factors?

Define ecosystem

Give an example of an artificial ecosystem

Define biodiversity

What do decomposers do

Define population

Define habitat

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