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WorksheetsUnit 10: Ecology
Total questions: 20
Worksheet time: 13mins
Choose the abiotic factors below.
water, rocks and algae
water, rocks and air
plants, rocks and air
fish, plants and coral
Which statement is true about biotic and abiotic relationships?
biotic factors rely on abiotic factors for water, shelter and light in an ecosystem
there is no relationship between abiotic and biotic factors in an ecosystem
abiotic factors rely on biotic factors to exist in an ecosystem
biotic factors only rely on other biotic factors to survive in an ecosystem
Which of the following is a biotic factor?
oxygen
water
food
carbon dioxide
Which of the following correctly list the biotic factors in a forest ecosystem?
water, grass, trees
sun, dead log, mushrooms
grass, rocks, sun
mushroom, tree, grass
Soil contains both abiotic and biotic materials. What might be a biotic part of soil?
minerals
grains of sand
decomposing leaves
water
Which of the following is NOT a biotic factor?
plants
sunlight
animals
bacteria
Which of the following is NOT an abiotic factor?
Temperature
bacteria
wind
sunlight
What would be a good title for this list: Oxygen, sunlight, soil, water
element factors
abiotic factors
non-manmade factors
biotic factors
What would be a good title for this list: bacteria, insects, small mammals, fish
element factors
abioitc factors
manmade factors
biotic factors
Which of the following could be considered an abiotic component of an ecosystem?
bats under a bridge
population of deer on a deer lease
monthly average rainfall
attack on a wheat field by a fungus
What would the following organisms be considered in an ecosystem - blackbirds, mosquitoes, algae, lily pads, and perch
a population
a community
a food chain
abiotic components
Reorder the following from smallest level to largest level
organism
population
community
ecosystem
Which level of organization is represented by this list: trees, rocks, doves, grass, lakes, snakes, warm temperatures
population
ecosystem
organim
community
What level of organization is represented by this list: deer, rabbits, birds, mice
organism
population
community
ecosystem
What level of organization is represented by a tree?
organism
population
community
ecosystem
Which of the following describes the smallest level of organization within an ecosystem?
tree frogs
a tree frog
tree frogs, ferns, mosquitos
tree frogs, ferns, rain, sunlight, clouds
Place the following in order from smallest to largest.
organism
population
community
ecosystem
biome
What is the best definition of a habitat?
habitats are where the animal finds food
habitats are where the animal lives
habitats are where the animals hibernate
habitats are where the animals sleep
What is the best definition of a niche?
a niche describes an animal's characteristics
a niche determines how well an animal competes
a niche defines an animal's role in the ecosystem
a niche explains how an animal defends itself
population
all the members of the same species living in an area
organism
one single thing that can function on its own
community
2 or more populations of different species in the same area
ecosystem
all living and non-living components of the environment
