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WorksheetsEcosystem
Total questions: 15
Worksheet time: 8mins
What is an ecosystem?
A community of non-interacting organisms and their physical environment.
A biological community of interacting organisms and their chemical environment.
A biological community of interacting organisms and their physical environment.
A community of non-interacting organisms and their chemical environment.
Animals that feed on plants are at least in which of the following?
first trophic level
second trophic level
third trophic level
fourth trophic level
Which of the following groups are abiotic?
bird, fish, tree, frog
shark, manatee, fly, lizard
water, shark, tree, soil
water, sun, 98 degrees, soil
Organisms which feed on dead organisms, waste of living are called as
Chemotrophs
carnivores
Detritivores
Decomposers
Study of inter-relationship between organisms and their environment is
Ecology
Ecosystem
Phytogeography
Ethology
Organisms who feed directly on producers are called
consumers
primary consumers
secondary consumers
none
Which of the following is NOT a type of forest ecosystem?
Tropical Rainforest
Grassland
Boreal forest
Temperate forest
What role do wetlands play in an aquatic ecosystem?
Increase CO2 levels
Serve as a habitat for large predators
Act as a natural water filter and improve water quality
Increase desertification
Which of the following best describes the energy flow in an ecosystem?
Energy flows in a cyclic manner
Energy flows unidirectionally from one trophic level to next
Energy is stored indefinitely within the ecosystem
Energy flows from secondary consumers to producers
What is the primary concern related to human activities in forest ecosystem?
Overpopulation of species
Habitat destruction and deforestation
Increase in biodiversity
Over consumption of forest water
What is the primary role of decomposers in an ecosystem?
To produce energy through photosynthesis
To break down dead organisms and recycling nutrients
To consume primary consumers
To provide shelter for other species
Which of the following ecosystem has highest biodiversity?
Deserts
Tropical Rainforest
Tundra
Temperate forest
Which of the following is NOT considered as an abiotic component?
Light
Air
Microorganisms
Water
In an ecosystem, which process is responsible for converting solar energy into chemical energy?
Respiration
Decomposition
Evaporation
Photosynthesis
