Podcast
Questions and Answers
What is the main consequence of competition between two species for the same resource?
What is the main consequence of competition between two species for the same resource?
- Both populations will increase.
- The species with the larger population will harm the other's population. (correct)
- Both species will find a new habitat.
- Neither species is affected.
In which relationship does one species benefit while the other is harmed?
In which relationship does one species benefit while the other is harmed?
- Commensalism
- Mutualism
- Predation
- Parasitism (correct)
What type of ecological interaction describes cows eating grass?
What type of ecological interaction describes cows eating grass?
- Competition
- Parasitism
- Commensalism
- Predation (correct)
Which type of symbiotic relationship benefits both species involved?
Which type of symbiotic relationship benefits both species involved?
In which relationship is one species unaffected while the other benefits?
In which relationship is one species unaffected while the other benefits?
Flashcards
Community
Community
Different species living together in the same place.
Competition
Competition
When two species compete for the same resources, the larger population negatively impacts the smaller one.
Predation
Predation
One species eats another species.
Parasitism
Parasitism
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Mutualism
Mutualism
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Study Notes
Community Interactions
- Community: A group of populations that share a habitat and interact.
- Competition: When two species compete for limited resources (e.g., food, water, space). The more abundant species negatively affects the less abundant species.
- Predation: One species (predator) hunts and eats another species (prey). Examples include herbivory (cows eating grass) and carnivory (lions eating deer). The predator benefits, while the prey is harmed (+/- interaction).
Symbiotic Relationships
- Symbiosis: Close, prolonged interaction between two different species.
- Parasitism: One species (parasite) benefits, while the other species (host) is harmed (+/- interaction).
- Mutualism: Both species benefit from the interaction (+/+ interaction). Example: Clownfish and sea anemones – anemones provide shelter, clownfish provide nutrients.
- Commensalism: One species benefits, and the other is neither helped nor harmed (+/? interaction). Example: Bacteria living on human skin.
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Description
This quiz covers key concepts in ecology, focusing on community interactions such as competition, predation, and various types of symbiotic relationships including parasitism, mutualism, and commensalism. Test your understanding of how different species interact with each other and their environments.
