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WorksheetsLevels of Organization in an Ecosystem
Total questions: 45
Worksheet time: 2hrs 47mins
Termites are tiny insects that can cause severe damage to homes and other structures that consist of wood. Termites are an example of what type of factor.
Biotic
Abiotic
The Sun is the source of all energy within an ecosystem. Plants depend on light from the sun in order to perform the process of photosynthesis. Sunlight is an example of what type of factor?
Biotic
Abiotic
Water is a compound that consists of 2 hydrogen atoms and 1 oxygen atom. Up to 60% of an adult human is made up of water. Water is an example of what type of factor?
Biotic
Abiotic
Air is a mixture of colorless gases. The air that makes up the Earth's atmosphere consists primarily of nitrogen and oxygen. Air is an example of which type of factor?
Biotic
Abiotic
An arctic blast pushed its way through several of the Northern state in the United State. The temperatures dropped below freezing for several days. Temperature is an example of which type of factor?
Biotic
Abiotic
An angler fish has a fleshy growth on its head that gives off light. This part acts as a lure to help the angler fish catch its prey. An anglerfish is an example of which type of factor?
Biotic
Abiotic
All living things or organisms in an ecosystem are
None
biotic factors
abiotic factors
Is a deer an abiotic or biotic factor?
abiotic
biotic
Is a rose an abiotic or biotic factor?
abiotic
biotic
Is a tree considered abiotic or biotic?
Biotic
Abiotic
Neither
Is a rock considered abiotic or biotic?
Abiotic
biotic
neither
What is the difference between the biotic and abiotic factors?
Biotic factors are living things and abiotic factors are nonliving things.
Biotic factors are nonliving things and abiotic factors are living things.
Which is an example of an abiotic factor in a pond environment?
The water
A frog
A grasshopper
A snake
Which is an example of a biotic factor in the environment?
The climate in the region
Carnivores that consume other animals
Amount of helium gas in the air
Flow of water in a river
Which of the following shows an abiotic factor interacting with a biotic factor in the environment?
Lamprey eels survive by attaching themselves to trout.
Water temperature affects its oxygen level.
Low light intensity affects the growth of forest pine trees.
Gypsy moth caterpillars eat the leaves of apple tree.
Which is an example of a seasonal change to a biotic factor?
Temperatures get cooler in the fall.
Hours of sunlight increase the summer.
Birds fly south for the winter.
Rainfall increases in the spring.
A hollow, sealed glass sphere contains sand, water, air, algae, and tiny brine shrimp. The sphere is a model ecosystem. Which of these is a biotic factor of this ecosystem?
air
algae
sand
water
Which of these is a biotic factor in a river ecosystem?
the types of microorganisms that live in the river water
the amount of soil and other particles carried by the river
the speed at which the river water flows toward the ocean
the amount of rain that flows off the land and into the river
In many desert ecosystems, days are hot and nights are cold. Water is scarce, so animals seek water wherever possible. The spines of a cactus are actually leaves adapted to conserve water. The cactus plants have also adapted to live in thin, sandy soil. Which of the following is a biotic component of a desert ecosystem?
the thin, sandy soil
the wide temperature range
the scarcity of water
the spiny cactus leaves
Which of the following is a biotic factor in an ocean ecosystem?
the salt content of the water
the temperature of the water
the fish in the water
the oxygen in the water
A group of the same organisms living together in the same place at the same time is:
An organism
A population
A community
A biome
What are groups of different populations living togther in the same place at the same time called?
An organism
A population
A community
A biosphere
What is it called when you have groups of different populations along with their abiotic factors?
An organism
A population
A community
An ecosystem
Together, all the ecosystems on Earth form...
a community.
a biome.
a biosphere.
an Earthsphere.
The organisms in a community, as well as all of the nonliving aspects of the environment are a(n):
Population
Community
Habitat
Ecosystem
Living factors or organisms that affect an ecosystem are
abiotic factors
species
trophic level
biotic factors
What are the biotic factors in this image?
sunlight, elephants, and grasses
sunlight, water, and air
elephants, plants, trees
What are the abiotic factors in this image?
water, sunlight, dirt, air
birds and plants
water, plants, and birds
An ecosystem contains living and nonliving things.
True
False
Which of the following is a population?
hawks, barred owls, and eagles on NC coast
mountain stream
all the frogs in a pond
blue-tailed skinks (lizards) around a barn
What level of organization can be seen here?
Species
Population
Community
Ecosystem
Which of the following levels of organization is the most complex?
organism
population
community
ecosystem
An organism is...
all the members of one species living in the same area
made of a single cell
an alien species
a living thing
A group of similar organisms is called a(n)...
flock
species
community
friends
All the members of one species living in the same area.
community
family
population
heterotroph
What is it called when you have groups of different populations along with their abiotic factors?
An organism
A population
An ecosystem
A community
Which lists animals that live in an aquatic ecosystem?
black bear, deer, vole
ducks, turtles, amphibians
panthers, monkeys, snakes
Which is a difference between abiotic and biotic factors?
Abiotic factors are plants and biotic factors are animals.
Abiotic factors are all living things and biotic factors are all nonliving things.
Abiotic factors are all nonliving things and biotic factors are all living things.
