WorksheetsEcology
Total questions: 27
Worksheet time: 25mins
Temperature, sun light, air, water, and soil are all _____ parts of the environment
alive
biotic
abiotic
living
Prairie dogs live in complex tunnels underground and compete with other herbivores in the ecosystem. Which is the abiotic factor in this situation?
Prairie dogs
Underground habitat
Other herbivores
Grasses
How does a decrease in abiotic factors impact the population growth in an ecosystem?
the population will decrease
the population will increase
the population will not change
What abiotic factors might affect the survival of a flower in a forest?
the presence of harmful bacteria
the number of daylight hours
the population of herbivores
the types of bees present in the forest
What is a group of organisms of one species that live in the same area?
community
population
organism
ecosystem
During the winter months of 2013-2014, large amounts of snow fell on northwest Georgia, covering the ground in snow for several weeks. What affect did this catastrophic weather event have on the deer population in northwest Georgia?
The competition for food would increase because there were few plants that survived.
The competition for food would decrease because the plants thrived in the snowy weather.
The deer migrated 200 miles north to Tennessee.
Humans adopted the deer as pets and fed them from their yard.
A relationship between two different species is called...
symbiosis
community
competition
marriage
When cattle walk through a field in the savanna, insects are disturbed and fly away from their path. Cattle egrets, a type of bird, perch on the cattle and catch the insects that fly away from them. Which term correctly describes the relationship between the bird and the cattle?
parasitism
commensalism
mutualism
predator-prey
The plover bird is a bird that ventures into the open mouths of crocodiles, cleaning the crocodile's teeth to get a meal. This is an example of a _______________ relationship.
parasitism
mutualism
predator-prey
commensalism
A tick latches onto a dogs ear to drink the dog's blood. This is an example of parasitism because....
both the dog and tick benefit from the relationship
only the dog benefits from the relationship; the tick is hurt.
only the tick benefits from the relationship; the dog is hurt.
neither the dog nor tick benefits from the relationship
A symbiotic relationship in which one organism benefits and the other is harmed is known as _______.
commensalism
parasitism
mutualism
community
A symbiotic relationship in which one organism benefits and the other is neither helped nor harmed is known as _____________.
commensalism
mutualism
parasitism
community
Oxpeckers are birds that feed on parasites found on rhino. The rhino gets rid of parasites and the oxpeckers get a yummy dinner. This is an example of _______.
commensalism
mutualism
neutralism
competition
Where does energy start in this food web?
The producers
The consumers
The sun
The decomposers
Which of the following is a correct description of the rabbit?
The rabbit is an omnivore, because it gives energy to both plants and animals.
The rabbit is an herbivore, because it gets energy from consuming grass.
The rabbit is a carnivore, because it gives energy to the owl.
The rabbit is a carnivore, because it gets its energy from consuming foxes.
How much energy is transferred from one organism to another in each trophic level?
10%
25%
75%
100%
How would a decrease in abiotic factors impact the population of living organisms in an ecosystem?
The population of living things will decrease due to more competition between organism.
The population of living things will increase due to more competition between between organisms.
The population of living things will not change due to more competition between organisms.
During the winter months of 2013-2014, large amounts of snow fell on northwest Georgia, covering the ground in snow for several weeks. What affect did this catastrophic weather event have on the deer population in northwest Georgia?
Humans put out enough food for the deer so that the population of deer stayed the same.
The deer migrated 200 miles north to Tennessee.
The competition for food would decrease because plants thrived in the snowy weather.
The competition for food would increase because there were few plants that survived.
Air pollution causes rain to be more acidic as it falls to the ground. This is known as acid rain. Over time, what could you expect to happen to an ecosystem as a result of acid rain?
Populations of plants and animals will increase because the acid is a source of food.
Populations of plants and animals will decrease because the acid will damage resources such as food and water.
Populations of plants and animals will increase because the acid will kill most of the disease-causing microorganisms.
