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24 questions
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- Multiple ChoicePlease save your changes before editing any questions.
When two or more individuals or populations try to use the same limited resource such as food, or space
Competition
Mutualism
Abiotic
Ecology
- Multiple ChoicePlease save your changes before editing any questions.
Competition occurs _______ species because their niches overlap
Between members of the same species
Between members of different species
Both within and between species
Only between organisms of
- Multiple ChoicePlease save your changes before editing any questions.
A relationship in which one organism lives on or in a host and harms it.
Mutualism
Parasitism
Abiotic
Decomposition
- Multiple ChoicePlease save your changes before editing any questions.
In a parasitic relationship, the parasite will ____while the host is _____.
Benefit, weakened or exposed to disease
Benefit, also benefited
Decompose, gaining nutrients
Benefit, unharmed
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A relationship between two organisms of different species where one benefits and the other is neither harmed nor benefited
Commensalism
Predation
Decomposition
Abiotic factor
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A relationship between two species in which both species benefit
Mutualism
Parasitism
Competition
Predation
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A frog eats a fly. The frog and fly are demonstrating ________.
Predation
Mutualism
Competition
Parasitism
- Multiple ChoicePlease save your changes before editing any questions.
A tick and a dog have this type of relationship.
Parasitsm
Competition
Mutualism
Neutralism
- Multiple ChoicePlease save your changes before editing any questions.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales. What kind of relationship is this?
Predation
Competition
Parasitism
Commensalism
- Multiple ChoicePlease save your changes before editing any questions.
The crocodile and bird have a _______________ relationship. The crocodile benefits by having its teeth cleaned. The bird benefits by gaining food and protection. Both animals benefit from this relationship.
Mutualistic
Parasitic
Abiotic
Biotic
- Multiple ChoicePlease save your changes before editing any questions.
Which one of the following statements is NOT true?
In a food web, an organism can only occupy a single trophic level; primary consumers cannot eat at the secondary consumer level.
A food chain shows one possible route of energy transfer within an ecosystem.
A food web consists of many possible food chains.
A more complex food web suggests that an ecosystem would be more resistant to disturbances.
- Multiple ChoicePlease save your changes before editing any questions.
An autotroph is also called a ______.
Consumer
Producer
Decomposer
Heterotroph
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A fox's diet contains beetles, eggs, berries, fish and mice. What kind of consumer is a fox?
Omnivore
Herbivore
Carnivore
None of the above
- Multiple ChoicePlease save your changes before editing any questions.
A group of deer, chipmunks, otters, and insects and their ABIOTIC surroundings is a(n)..
Population
Community
Biome
Ecosystem
- Multiple ChoicePlease save your changes before editing any questions.
Which definition best fits the term niche?
the environment in which an organism lives.
Factors in the environment that are considered not alive
The study of the interactions between animals and their environment
The role a species plays in the ecosystem.
- Multiple ChoicePlease save your changes before editing any questions.
Groups of different populations living together in the same place at the same time
Population
Community
Biome
Organism herd
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The living or once living organisms in an ecosystem
Biotic
Abiotic
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A species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.
Endangered Species
Keystone Species
Ecological Species
- Multiple ChoicePlease save your changes before editing any questions.
Makiah is heading out for a run when she comes across 20 Canadian geese. What level of organization is this group of Canadian geese?
Species
Population
Organism herd
Biome
- Multiple ChoicePlease save your changes before editing any questions.
What percentage of energy is passed on to each trophic level?
10%
50%
90%
100%
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Because energy and biomass become less available in higher trophic levels, organisms in higher trophic levels need to consume _____ amounts of prey.
Larger
Smaller
- Multiple ChoicePlease save your changes before editing any questions.
Which statement accurately describes how much energy is available within different trophic levels of an ecosystem?
The amount of energy available to tertiary consumers is 10 times greater than the amount available to secondary consumers.
The amount of energy available to producers is 10% of the amount available to primary consumers.
The amount of energy available to primary consumers is 10% of the amount available to producers.
Top predators have the most available energy because they can feed on any trophic level.
- Multiple ChoicePlease save your changes before editing any questions.
Which trophic level has the most energy available?
Top predators
Producers
Primary consumers
Herbivores
- Open EndedPlease save your changes before editing any questions.
Using the graph , describe the relationship between the hare and lynxes. Use actual data from the graph to provide support