keep food affordable, safe, nutritious

What are the different types of pollution?

Noise, Air, Soil, Light, Water, Thermal, Radioactive

Involves only the organisms which touch the line

What does a predator - prey curve graph show?

The relationship between the number of prey and predators

Biodiversity is the variety of ...

all the different species of organisms within an ecosystem

What does a pyramid of biomass show?

The transfer of biomass through the food chain

What are the key processes in the carbon cycle?

Photosynthesis, combustion, decay, respiration

How does biodiversity of these two food webs affect their sustainability?

Food Web 2 is more biodiverse and will survive

Define the term ecosystem

Environmental interactions between all organisms there

An abiotic factor is...

a non-living part of an environment affecting organisms

What is an extremophile

An organism that can tolerate extreme conditions

What are the types of adaptation?

Behavioural, Functional and Structural

When fossil fuels are burnt, they release CO2, where did the carbon come from?

Trapped by the plants which the fossil fuel was made from

What are some effects of global warming?

More rain in certain climates, More extreme weather events, Higher sea levels

What effect do cows and other livestock have on global warming?

Their digestive systems produce methane

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Ms Palmer's Ecology revision quiz

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Revision of the basics of AQA GCSE B7 #ecology #aqa #gcse #biology

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Questions 25

Answers

1
Some seaweeds have air bladders to allow them to float, this is an example of
Speciation
Adaptation
Adaption
Photosynthesis
2
Food security is
keep food from being stolen
keep food affordable, safe, nutritious
keep food safe from being contaminated
keep food from being destroyed
3
Interspecific competition involves
2 members of different species
members of different species
members of the same species
2 members of the same species
4
What are the different types of pollution?
Air pollution is the only form
There is no such thing as pollution
Air, noise, soil and light
Noise, Air, Soil, Light, Water, Thermal, Radioactive
5
A line transect..
Involves placing random quadrats
Involves only the organisms which touch the line
Involves placing interrupted quadrats
Involves placing a continuous line of quadrats
6
What does a predator - prey curve graph show?
The number of predators
The relationship between the number of prey and predators
The number of prey
The effect of humans on predators and prey
7
Fertilisers can pollute water sources, this can...
Leads to algae numbers reducing
Leading to a population explosion of fish
Lead to fish growing really large
Leads to algal blooms
8
Biodiversity is the variety of ...
all the different species of orgasms within an ecosystem
all the different species of organisms within an ecosystem
all the different species of animal within an ecosystem
all the different species of plants within an ecosystem
9
What does a pyramid of biomass show?
The transfer of species number through a food chain
The biomass of the species in a food chain
The numbers of different species in a food chain
The transfer of biomass through the food chain
10
Arrows in a food chain show
Amount of food
What eats what
Movement of energy
'eaten by'
11
What are the key processes in the carbon cycle?
Photosynthesis, burning fossil fuels
Photosynthesis, combustion, decay, respiration
respiration, combustion, decay
photosynthesis, combustion, respiration
12
How does biodiversity of these two food webs affect their sustainability?
Food Web 2 is more biodiverse and will survive
Food web 1 is more biodiverse and will survive
Food web 2 has a greater population and will survive
Food Web 1 has a greater population and will survive.
13
Quadrats are useful to sample
Plants and slow moving animals
Plants
Plants and fast moving animals
Bears
14
Define the term ecosystem
Place where organisms live
Plants living in a system
Environmental interactions between all organisms there
All organisms in habitiat
15
An abiotic factor is...
a non-living part of an environment affecting organisms
a living part of an environment causing environmental damage
a non-living organism that affects the environment
a living part of an environment affecting organisms
16
What is an extremophile
An organism that can tolerate extreme conditions
An area where the weather is extreme
An organism which lives in the arctic
An organism that dislikes extreme environments
17
What conditions affect the rate of decay?
Availability of Oxygen
Temperature
Water
All of the above
18
Carbon is removed from the atmosphere by...
Photosynthesis
Aerobic respiration
Combustion
Anaerobic respiration
19
What are the types of adaptation?
Behavioural and Structural
Behavioural, Functional and Structural
Behavioural, Physical, Functional
Functional
20
When fossil fuels are burnt, they release CO₂, where did the carbon come from?
From the air mixing with the fossil fuel
Trapped by the animals which the fossil fuel was made from
From aerobic respiration
Trapped by the plants which the fossil fuel was made from
21
What is peat?
Living plant matter
Animal bones
A resource created by wetlands that is sold for money
Partially decomposed plants
22
What are some effects of global warming?
It makes a hole in the ozone layer
More rain in certain climates
More extreme weather events
Higher sea levels
23
Deforestation increases CO₂ levels in the air
False
True
24
What is Deforestation?
Refers to clearing out trees
All of the above
Refers to profiting from the resources gained from land
Refers to the destruction of forest land
25
What effect do cows and other livestock have on global warming?
Humans use lots of fossil fuel to cook the meat they produce
They eat trees and grass, which adds to global warming
Their digestive systems produce methane
Cows have high body temperatures and emit infrared radiation

Ms Palmer's Ecology revision quiz Flashcards | StudBud