Compare Ecosystem Interactions - Middle School Life Science
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What is the ecological term for a relationship in which both species benefit?
What is the ecological term for a relationship in which both species benefit?
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Mutualism. Both organisms gain benefits from their interaction.
Mutualism. Both organisms gain benefits from their interaction.
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What is the ecological term for a relationship in which one benefits and the other is harmed?
What is the ecological term for a relationship in which one benefits and the other is harmed?
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Parasitism. One organism benefits at the expense of the other's health.
Parasitism. One organism benefits at the expense of the other's health.
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What is the ecological term for a relationship in which one benefits and the other is unaffected?
What is the ecological term for a relationship in which one benefits and the other is unaffected?
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Commensalism. One organism benefits while the other experiences no effect.
Commensalism. One organism benefits while the other experiences no effect.
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What is the ecological term for an interaction in which both species are harmed by limited resources?
What is the ecological term for an interaction in which both species are harmed by limited resources?
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Competition. Both organisms suffer when competing for the same scarce resources.
Competition. Both organisms suffer when competing for the same scarce resources.
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What is the ecological term for an interaction in which one organism kills and eats another organism?
What is the ecological term for an interaction in which one organism kills and eats another organism?
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Predation. One organism consumes another for food.
Predation. One organism consumes another for food.
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Which interaction most directly increases plant reproduction when pollinators carry pollen?
Which interaction most directly increases plant reproduction when pollinators carry pollen?
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Mutualism. Both pollinator and plant benefit from the exchange.
Mutualism. Both pollinator and plant benefit from the exchange.
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Identify the interaction: a tick feeds on a deer and the deer loses blood and may get sick.
Identify the interaction: a tick feeds on a deer and the deer loses blood and may get sick.
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Parasitism. The tick benefits while harming the deer host.
Parasitism. The tick benefits while harming the deer host.
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Identify the interaction: a remora rides a shark and eats scraps; the shark is not helped or harmed.
Identify the interaction: a remora rides a shark and eats scraps; the shark is not helped or harmed.
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Commensalism. The remora benefits without affecting the shark.
Commensalism. The remora benefits without affecting the shark.
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Identify the interaction: two bird species use the same nesting sites and both have fewer chicks.
Identify the interaction: two bird species use the same nesting sites and both have fewer chicks.
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Competition. Both species suffer from sharing limited nest sites.
Competition. Both species suffer from sharing limited nest sites.
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Which interaction is most likely to spread disease between species through close contact or feeding?
Which interaction is most likely to spread disease between species through close contact or feeding?
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Parasitism. Parasites spread diseases through host contact.
Parasitism. Parasites spread diseases through host contact.
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What is the term for an organism that hunts, kills, and eats another organism?
What is the term for an organism that hunts, kills, and eats another organism?
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Predator. An organism that hunts other organisms for food.
Predator. An organism that hunts other organisms for food.
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What is the term for an organism that is hunted and eaten by another organism?
What is the term for an organism that is hunted and eaten by another organism?
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Prey. An organism hunted by predators for food.
Prey. An organism hunted by predators for food.
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Which interaction best describes cleaner fish removing parasites from larger fish in a reef ecosystem?
Which interaction best describes cleaner fish removing parasites from larger fish in a reef ecosystem?
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Mutualism. Both fish benefit: cleaners eat parasites, hosts get cleaned.
Mutualism. Both fish benefit: cleaners eat parasites, hosts get cleaned.
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Identify the interaction: a hawk catches and eats a mouse in a grassland ecosystem.
Identify the interaction: a hawk catches and eats a mouse in a grassland ecosystem.
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Predation. The hawk kills and consumes the mouse for food.
Predation. The hawk kills and consumes the mouse for food.
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Which interaction type is most similar across all ecosystems because every ecosystem has limited resources?
Which interaction type is most similar across all ecosystems because every ecosystem has limited resources?
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Competition. All ecosystems have limited resources causing competition.
Competition. All ecosystems have limited resources causing competition.
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Which interaction type is most likely to be stronger in deserts where water is scarce?
Which interaction type is most likely to be stronger in deserts where water is scarce?
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Competition. Limited water intensifies competition between species.
Competition. Limited water intensifies competition between species.
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What is the term for an interaction between organisms of the same species?
What is the term for an interaction between organisms of the same species?
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Intraspecific interaction. Occurs within a single species population.
Intraspecific interaction. Occurs within a single species population.
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What is the definition of competition as an organism interaction?
What is the definition of competition as an organism interaction?
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Organisms use the same limited resource, reducing access for others. Both organisms negatively affect each other's fitness.
Organisms use the same limited resource, reducing access for others. Both organisms negatively affect each other's fitness.
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Which interaction is shown when barnacles attach to a whale and the whale is unaffected?
Which interaction is shown when barnacles attach to a whale and the whale is unaffected?
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Commensalism. Barnacles gain transport and feeding opportunities.
Commensalism. Barnacles gain transport and feeding opportunities.
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Which interaction is shown when bees get nectar and flowers get pollinated?
Which interaction is shown when bees get nectar and flowers get pollinated?
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Mutualism. Both organisms gain resources they need to survive.
Mutualism. Both organisms gain resources they need to survive.
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Which interaction is shown when a hawk catches and eats a mouse in grassland?
Which interaction is shown when a hawk catches and eats a mouse in grassland?
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Predation. Hawk is predator, mouse is prey in this food chain.
Predation. Hawk is predator, mouse is prey in this food chain.
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Which interaction is shown when a tick feeds on a deer in a forest ecosystem?
Which interaction is shown when a tick feeds on a deer in a forest ecosystem?
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Parasitism. Tick benefits by taking blood while deer is harmed.
Parasitism. Tick benefits by taking blood while deer is harmed.
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Which interaction is shown when two plant species in a desert both need scarce water?
Which interaction is shown when two plant species in a desert both need scarce water?
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Competition. Both plants compete for the same limiting resource.
Competition. Both plants compete for the same limiting resource.
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What is the definition of parasitism as an organism interaction?
What is the definition of parasitism as an organism interaction?
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A parasite benefits while the host is harmed, usually not killed quickly. Long-term relationship where host provides resources.
A parasite benefits while the host is harmed, usually not killed quickly. Long-term relationship where host provides resources.
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What is the definition of commensalism as an organism interaction?
What is the definition of commensalism as an organism interaction?
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One species benefits and the other is unaffected. One-sided benefit with no harm or help to the other.
One species benefits and the other is unaffected. One-sided benefit with no harm or help to the other.
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