WorksheetsUNIT 4: THE EARTH'S BIOSPHERE AND ECOSYSTEMS.
Total questions: 20
Worksheet time: 11mins
FINISH THE SENTENCE:
THE BIOSPHERE CONTAINS...
ALL THE ECOSYSTEMS IN THE WORLD.
POPULATIONS.
LIVING THINGS GROW OR LIVE.
SOME LIVING THINGS BECAME EXTINCT....
VARIETY OF LIFE FOUND ON EARTH.
A MILLION YEARS AGO.
LIVING IN THE SAME AREA.
BIODIVERSITY IS THE...
POPULATIONS.
ALL THE ECOSYSTEMS IN THE WORLD.
VARIETY OF LIFE FOUND ON EARTH.
A POPULATION IS FORMED BY ALL INDIVIDUAL ORGANISMS...
LIVING IN THE SAME AREA.
A MILLION YEARS AGO.
ALL THE ECOSYSTEMS IN THE WORLD.
CLICK ON THE TERRESTRIAL ECOSYSTEMS:
FORESTS.
GRASSLANDS.
FRESHWATER.
MARINE.
DESERTS.
CLICK ON THE AQUATIC ECOSYSTEMS:
FRESHWATER (RIVERS AND STREAMS, STANDING WATER AND WETLANDS).
MARINE (SHORELINE, CORAL REEFS AND OPEN OCEAN).
TROPICAL RAINFORESTS.
TUNDRA.
DESERTS
WHAT IS THE RICHEST TERRESTRIAL ECOSYSTEM ON EARTH?
THE TROPICAL RAINFOREST.
THE DESERT.
THE TUNDRA.
THE GRASSLAND.
IN A FOOD CHAIN, AN ALGAE IS AN EXAMPLE OF...
CONSUMER.
DECOMPOSER.
PRODUCER.
IN A FOOD CHAIN, SMALL FISH ARE AN EXAMPLE OF...
PRIMARY CONSUMERS.
SECONDARY CONSUMERS.
TERTIARY CONSUMERS.
DECOMPOSERS.
IN A FOOD CHAIN, A SEAL IS AN EXAMPLE OF....
PRIMARY CONSUMER.
SECONDARY CONSUMER.
TERTIARY CONSUMER.
PRODUCER.
IN A FOOD CHAIN, A SHARK IS AN EXAMPLE OF...
PRIMARY CONSUMER.
SECONDARY CONSUMER.
TERTIARY CONSUMER.
THIS AN EXAMPLE OF:
MUTUALISM.
COMMENSALISM.
PREDATION.
PARASITISM.
THIS AN EXAMPLE OF:
MUTUALISM.
COMMENSALISM.
PREDATION.
PARASITISM.
THIS AN EXAMPLE OF:
MUTUALISM.
COMMENSALISM.
PREDATION.
PARASITISM.
THIS AN EXAMPLE OF:
MUTUALISM.
COMMENSALISM.
PREDATION.
PARASITISM.
FIND THE RIGHT WORD RELATED TO THIS DEFINITION:
THE INCREASE OF THE GREENHOUSE EFFECT.
GLOBAL WARMING.
POLLUTION.
DEFORESTATION.
OVERPOPULATION.
TOXIC POLLUTANTS CONTAMINATE THE SOIL, WATER AND AIR.
POLLUTION.
INVASIVE SPECIES.
DEFORESTATION.
GLOBAL WARMING.
THIS RESULTS IN THE OVER-EXPLOITATION OF NATURAL RESOURCES.
POLLUTION.
OVERPOPULATION.
DEFORESTATION.
THE CUTTING AND CLEARING OF FORESTS.
DEFORESTATION.
POLLUTION.
OVERPOPULATION.
WHEN INTRODUCED ACCIDENTALLY OR INTENTIONALLY THEY CHANGE AN ECOSYSTEM'S BALANCE.
INVASIVE SPECIES.
POLLUTION.
DEFORESTATION.
