Questions and Answers
What is a predator?
What is a consumer?
An organism that eats other organisms.
Define symbiosis.
A close, long-term relationship between two species in which at least one organism benefits.
What is a herbivore?
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What is prey?
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What is commensalism?
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Define omnivore.
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What is mutualism?
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Define parasitism.
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What is a food chain?
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Define producer.
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What is an ecosystem?
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Define community.
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What is a population?
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Define individual.
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What does biotic mean?
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Define abiotic.
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What is a primary consumer?
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Define secondary consumer.
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What are tertiary and quaternary consumers?
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Define energy pyramid.
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What are oppositional relationships?
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Define predation.
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What is competition?
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Define intraspecies competition.
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What is interspecies competition?
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Define scavengers.
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What are decomposers?
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Study Notes
Ecosystem Relationships
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Predator: Hunts other animals for food, playing a crucial role in controlling prey populations.
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Consumer: Organisms that rely on other organisms for energy, essential for ecosystem balance.
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Symbiosis/Symbiotic Relationships: Involve long-term interactions between two species with at least one benefiting; essential for ecological dynamics.
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Herbivore: Animals that exclusively consume plants, forming the primary consumers in food chains.
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Prey: Organisms hunted, killed, and consumed by predators; vital for predator survival.
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Commensalism: A type of symbiotic relationship where one species benefits and the other remains unaffected, exemplifying ecological interdependence.
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Omnivore: Organisms that consume both plants and animals, playing a versatile role in food webs.
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Mutualism: Interaction where both species benefit, such as bees pollinating flowers, promoting biodiversity.
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Parasitism: Relationship where one species benefits at the expense of the other, often harming the host species.
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Food Chain: Illustrates the flow of energy through various organisms; fundamental for understanding ecosystem interactions.
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Producer: Organisms like plants that produce their food through photosynthesis, forming the base of food chains.
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Ecosystem: Comprises living (biotic) and nonliving (abiotic) components interacting in a specific environment.
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Community: Encompasses all populations of different species living in a shared environment, contributing to ecosystem dynamics.
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Population: Refers to all individuals of a single species in a given area, important for studying species distribution and health.
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Individual: Defines a single organism, representing the basic unit of ecological studies.
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Biotic: Includes all living organisms, dead matters, and organic products within an ecosystem.
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Abiotic: Pertains to non-living factors such as climate, soil, water, and minerals that influence ecosystems.
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Primary Consumer: Organisms that consume producers; can be herbivores or omnivores, serving as a crucial link in energy transfer.
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Secondary Consumer: Organisms that eat primary consumers; may include carnivores and omnivores, impacting population dynamics.
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Tertiary and Quaternary Consumers: Higher-level consumers, with tertiary eating secondary consumers and quaternary feeding on tertiary, illustrating complex food webs.
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Energy Pyramid: Graphical representation that demonstrates energy transfer efficiency through trophic levels, highlighting energy loss at each stage.
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Oppositional Relationships: Negative interactions impacting both organisms involved, even if one appears to "win" due to resource acquisition, as it consumes energy and risks injury.
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Predation: A straightforward form of interaction where one organism hunts and consumes another, shaping population dynamics.
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Competition: Occurs when organisms vie for the same resources, leading to resource depletion and detrimental effects on both.
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Intraspecies Competition: Competition within the same species, often for mates or territory, influencing evolutionary traits and behaviors.
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Interspecies Competition: Competition between different species for shared resources, affecting biodiversity and niche differentiation.
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Scavengers: Organisms that feed on dead animals, such as vultures, aiding in ecosystem nutrient cycling.
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Decomposers: Microorganisms that break down waste and dead organisms, crucial for recycling nutrients and maintaining soil health.
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Test your knowledge of key terms and definitions related to ecosystem relationships with these flashcards. Learn about predators, consumers, symbiosis, and more, to enhance your understanding of ecological dynamics.