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WorksheetsLevels of Ecological Organization
Total questions: 20
Worksheet time: 20mins
Water temperature would be an example of ...
a biotic factor.
an abiotic factor.
A collection of organisms that make up a community as well as all of the nonliving components of the environment.
Population
Community
Habitat
Ecosystem
The role or job of a species in a community.
habitat
diet
niche
ecosystem
Two organisms that are so similar they can interbreed in nature and produce fertile offspring.
biotic factor
herbivore
ecosystem
species
Living factors or organisms that affect an ecosystem...
abiotic factors
species
trophic level
biotic factors
What are the biotic factors in this image?
sunlight, elephants, grasses
sunlight, water, oxygen
elephants, autotrophs, food supply
precipitation, heterotrophs, soil
What are the abiotic factors in this image?
water, sunlight, dirt
birds, plants, predators
water, plants, parasites
oxygen, water, grasses
Which best describes a diurnal animal?
hawk that hunts during day
barn owl hunting at night
opossum feeding at night
bats roosting during the day
Earthworms break down leaves and other organic matter. When they burrow they increase the amount of air and water in the soil. Earthworms serve as food for many bird and salamander species. This best represents...
niche
circadian rhythm
habitat
predation
Identify all the biotic factors from the list below:
mites in a honeybee hive
rotting log
flooding after a tropical storm
black rat snakes preying on mice
pH drop in a crater lake
Which of the following illustrates circadian rhythm?
Monarch butterflies migrate to Mexico from NC at the end of each summer.
Red blood cells take in increased levels of potassium during the day. Potassium levels in red blood cells fall off each night.
Lithops flower in the fall and go dormant during the winter.
Woodchucks will eat and collect a considerable amount of food in the summer and fall to store up their reserves for the long, cold months.
Identify all the characteristics and examples of ecosystems from the list below:
interacting communities and the environment
a collection of abiotic factors ONLY
mountain stream
coral reef
all the snakes in the Mojave desert
Animals that are active during the day are ...
(a)
Which of the following best illustrates a population?
all the largemouth bass in Kerr Lake
a freshwater marsh
a oak-history hardwood forest
all the honeybees, bald-faced hornets and western yellow jackets in a deciduous forest
