Year 12 Ecology Flashcards Part One: Ecological Relationships
Write the term from the list below on to the back of the correct definition flashcard. Staple the cards together at the left to make the flashcards.
Word List:
Detritivores
Pyramid of numbers
Pyramid of energy
Chlorophyll
Biomass
Tertiary consumers
Nutrient Cycle
Carbon cycle
Antibiosis
Parasitism
Combustion
Nitrogen fixation
Nitrification
Interspecific
Mutualism
Secondary Carnivore
Secondary consumers
Decomposers
Ecological Predation
Food Chain
Trophic Level
Producer/ Autotroph
Herbivore
Ecosystem
Food Web
Commensalism
Pyramid of biomass
Photosynthesis
Respiration
Energy flow
Pyramid
The living (biotic) and non-living (abiotic)
parts of the environment
A chain of organisms through which
energy flows
Network of many food chains linked
together in a community
The specific feeding level in a food chain
Make their own food by converting the
sun’s energy into chemical energy
Cannot make their own food – they feed
by consuming other organisms or on dead
matter
Obtain food by eating producers (plants)
Obtain food by eating herbivores
(animals)
Obtain food by eating primary carnivores
(animals)
Obtain food by eating producers
Obtain food by eating primary consumers
Obtain food by eating secondary
consumers
Obtain food by breaking down dead
matter from any trophic level e.g. fungi,
bacteria
Obtain food by consuming dead matter
(detritus) from any trophic level e.g.
earthworm
A diagrammatic representation used to
provide information about trophic levels in
the ecosystem
A diagrammatic representation of the
numbers of different organisms at each
trophic level
A diagrammatic representation of the
biomass of all organisms at each trophic
level
A diagrammatic representation of the
energy flow through each trophic level
Process occurring in green plants which
transforms carbon dioxide and water into
glucose using sunlight
Green pigment found in plants that has
the ability to capture sunlight for
photosynthesis
Environmental reservoir
Carbon fixation
Nitrogen cycle
Denitrification
Intraspecific
Competition
Consumer/ Heterotroph
Primary Carnivore
Primary consumers
Process in which food molecules are
broken down to release energy
Mass of living matter in an ecosystem
One way movement of energy through an
ecosystem
Pathway showing the flow of a particular
nutrient through the biotic and abiotic
environment
The sources and storage sites of nutrients
Pathways followed by the element carbon
as it is recycled through the environment
The reaction of carbon dioxide to form
large organic (containing carbon)
molecules
Burning
Pathways followed by the element
nitrogen as it is recycled through the
environment
Conversion of atmospheric nitrogen to
ammonium
The conversion of nitrate to nitrogen
Conversion of ammonium compounds to
nitrate
Relationship between members of the
same species
Relationship between members of
different species
Both species are harmed as they compete
for the same resource
Both species benefit from the relationship
One species benefits while the other is
unaffected
One species benefits by secreting a
chemical which harms another species
One species (predator) benefits while the
other species (prey) is harmed as the
predator feeds on the prey
One species (parasite) benefits while
other species (host) is harmed as the
parasite feeds on host (without killing it)