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WorksheetsEcology revision
Total questions: 20
Worksheet time: 12mins
What is an “ecosystem”?
interdependence of organisms
The interaction of the living (biotic) and non-living (abiotic) of a community within their environment.
Photosynthesis in plants
Food, shelter, pollination, seed dispersal.
Define population
a group of organisms of the same species living together in a habitat.
A group of different species in the same habitat
an individual of a species
all the living and non-living factors in a habitat
where does the energy come from for most food chains?
the Sun
carbohydrates
lipids
metabolism
what do plants compete for? (tick 3)
light
space
water
territory
carbon dioxide
A stable community is one where all the species and environmental factors are in _________
flux
communities
balance
competition
What do organisms rely on other organisms for? (tick 3)
food
shelter
nesting materials
water
territory
which factor is non-living?
abiotic
biotic
which factor is living?
biotic
abiotic
which of these is NOT an abiotic factor?
new pathogens
air temperature
soil pH
light intensity
which of these is NOT a biotic factor?
soil type
new predators
trampling
food supply
Which is an example of an extremophile?
bacteria in deep sea vents
milk cows in field
daisies on a lawn
yeast in solution
Which 2 are products of photosynthesis?
carbon dioxide
water
glucose
oxygen
which 2 are the products of respiration?
oxygen
carbon dioxide
water
glucose
What describes quadrat sampling along a line transect?
random
systematic
What word describes the variety of species in a habitat?
quadrats
community
biodiversity
carbon cycle
which of the following will REDUCE biodiversity?
managing woodland
letting grass verges re-wild
growing only wheat in a field for several years
reducing deforestation
Which word describes the growth of human population and its waste production?
exponential
reducing
diminishing
destruction
which 3 are reasons why deforestation is happening?
produce biofuels
produce rice
grazing cattle
provide habitats for species
increase biodiversity
what is global warming?
a gradual increase in the Earth's temperature
a method of helping grow crops
trapping ultraviolet rays in the Earth's atmosphere
which 3 of these are biological consequences of global warming?
climate change
sea level rising
changes in species distribution
changing migration patterns
habitat loss
