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WorksheetsEcology Theory
Total questions: 21
Worksheet time: 7mins
The study of the interactions between groups of organisms and their environment
Ecology
Botany
Microbiology
Biochemistry
Living factors that affect organisms in an ecosystem
biotic
edaphic
climatic
abiotic
Non-living parts of the environment that influence organisms
aquatic
biotic
abiotic
climatic
all animals can also be referred to as
pests
flora
predators
fauna
Make their own food using energy from the sun
Consumers
Producers
Fauna
Prey
Organisms that feed on other organisms
consumers
producers
parasites
Most food chains start with a
parasite
animal
green plant
Nutrients need to be recycled because
they need to be used over and over
they don't actually need to be recycled
they are locked inside living things until they die
we have an unlimited amount of all nutrients on earth
in a food chain
all energy passes from one organism to the next
only a very small amount of energy passes from one organism to the next
the chain usually includes at least ten organisms
the chain usually starts with an animal
a downfall of using a pyramid of numbers is
it doesn't always represent the number of organisms at each level
there are no downfalls
it shows the size of the organisms clearly at each level
feed on dead organic matter
birds
animals
decomposers
plants
pick two similarities between the carbon and nitrogen cycle
bacteria involved
many nutrients involved in both
death and decay
no bacteria invloved
an addition of a harmful substance to the environment is called
recycling
conservation
reusing
pollution
a pollutant can travel through a full food chain
true
false
the wise management of our environment is called
monitoring
conservation
recycling
analysing
Two methods used by fisheries to carry out conservation are
changing fishing net shape and size
only fishing in January
no large boats used
sticking to fishing quotas
3 methods used to reduce waste
reduce
reuse
recycle
landfill
population looks at a specific
species
organism
trait
feature
when two or more organisms fight for a resource that is in short supply
symbiosis
predation
competition
parasitism
the act of hunting, killing and eating prey
predator
predation
competition
symbiosis
when two organisms live in close association and at least one benefits
competition
predation
symbiosis
parasitism
