WorksheetsLevels of ecological organization in an ecosystem
Total questions: 25
Worksheet time: 13mins
The study of the interactions or organisms with one another and their environment.
ecology
ecosystem
community
population
Which of the following correctly describes a tertiary consumer?
A carnivore that feeds on upon other consumers for example hawks, sparrows
A carnivore that at the topmost level in the food chain or food web that feeds on other carnivores.
Feeds on plants or autotrophs for example mice, grasshoppers
They make all the food or energy found in the ecosystem.
A grassland experiences a drought. What is most likely to occur?
Populations of predators would increase because they do not rely on plants for food.
Populations that make up the grassland ecosystem will move away or die.
Grasses thrive in dry conditions, so their population would increase.
Plants will die, but animals would not be affected.
Temperature, soil, water are examples of
biotic factors
abiotic factors
ecosystem
habitat
A transfer of energy from producers to consumers is called
niche
food chain
food web
ecosystem
A role or job an organism has within an ecosystem
habitat
niche
commensalism
symbiosis
Organisms living together with another organism in close association
commensalism
mutualism
symbiosis
parasitism
A large region with a similar climate and specific plant and animal communities based on that climate
population
community
biosphere
biome
Which of the following answer choices is not listed as a water biome?
estuary
freshwater
marine
tundra
Each level of organization in an ecosystem is made up of parts. In a diagram of a coral reef ecosystem, which of the following is an example of the population level of organization?
seawater
a clown fish
a group of anemones
a colony of coral and a stand of sea grass
Which of the following answer choices correctly describes levels of ecological organization in correct order?
population-organism-community-biome-ecosystem-biosphere
organism-population-species-biosphere- biome
organism-population-community-ecosystem- biome-biosphere
organism-population-biome-biosphere- ecosystem
The interaction of biotic and abiotic factors with a given area
habitat
ecosystem
community
biotic factors
Which of the following is not an example of parasitism?
ticks on a dog
barnacles on a whale
fleas on a cat
heartworms in a dog
A single living thing
organism
niche
biotic factors
abiotic factors
A place where an organism has food, water and shelter
ecosystem
community
habitat
population
Organisms both benefit from the association is called
parasitism
commensalism
community
mutualism
All the members of the same species in a specific arrea
community
biome
population
ecosystem
Members of different species in a specific area
organism
population
biosphere
community
Which of the following answer choices describes herbivores role in a food web?
Hawks, snakes, wolves, bears
Mice, rabbits, giraffes, and grasshoppers etc
Plants, flowers, trees, grass, etc
Sharks, hawks, rats, mice
At this level on a food pyramid energy is at 100 percent
primary consumer
producer
tertiary consumer
secondary consumer
Organisms ability to make its own food
symbiosis
autotrophs
heterotroph
consumer
Animals that feed on other animals they have not killed
primary consumers
scavengers
secondary consumers
decomposer
Breaking down of organic wastes and dead organisms into simpler substances
scavenger
producer
primary consumer
decomposer
Which of the following answer choices is an example of biotic and abiotic factors interacting in an ecosystem?
Two lions resting in the same area
A deer and a giraffe drinking water from a river
An alligator walking around on the beach
A sea gull flying through a tropical rainforest
_______ shows the feeding relationships among many different organisms in a ecosystem.
habitat
food chain
food web
ecosystem
