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Questions and Answers
Which of the following best describes an ecological niche?
Which of the following best describes an ecological niche?
- The migration patterns of an organism
- The specific role and position that an organism has in an ecosystem (correct)
- The interactions between organisms in an ecosystem
- The physical characteristics of an organism
What is the main characteristic of consumers in an ecosystem?
What is the main characteristic of consumers in an ecosystem?
- They have overlapping ecological niches
- They only eat plant tissue
- They make their own food
- They rely on other organisms for food (correct)
Why can organisms coexist with a sustainable amount of competition?
Why can organisms coexist with a sustainable amount of competition?
- Because they have similar reproductive cycles
- Because they rely on the same food sources
- Because they have overlapping migration patterns
- Because no two species share the exact same ecological niche (correct)
What are some examples of things that may be part of a species' ecological niche?
What are some examples of things that may be part of a species' ecological niche?
How many main types of consumers are there in an ecosystem?
How many main types of consumers are there in an ecosystem?
True or false: Ecological niche refers to the role and position of an organism in an ecosystem?
True or false: Ecological niche refers to the role and position of an organism in an ecosystem?
True or false: Organisms with overlapping ecological niches do not compete with each other?
True or false: Organisms with overlapping ecological niches do not compete with each other?
True or false: Consumers are organisms that produce their own food?
True or false: Consumers are organisms that produce their own food?
True or false: Herbivores are organisms that only consume plant tissue?
True or false: Herbivores are organisms that only consume plant tissue?
True or false: Competition is reduced when two organisms share the exact same ecological niche?
True or false: Competition is reduced when two organisms share the exact same ecological niche?
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Study Notes
Ecological Niche
- The term "ecological niche" describes the role and position of an organism in an ecosystem.
- An ecological niche encompasses the activities and physical conditions an organism needs to survive, as well as its interactions with its biotic and abiotic environment.
- Examples of things that may be part of a species' ecological niche include:
- Migration patterns
- Reproductive cycles
- Diet
- What eats it
- Activity levels
- Other behaviors
- No two species share the exact same ecological niche, allowing them to coexist with a sustainable amount of competition.
- The ecological niche of two organisms may overlap, causing some competition.
Consumers
- Consumers are organisms that rely on other organisms for food, rather than making their own.
- There are four main types of consumers:
- Herbivores: organisms that only eat plant (producer) tissue.
- Consumers rely on other consumers and producers for food.
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