4.2 Niches and Community Interactions

The range of all  conditions in which a species lives and how it gets what it needs to survive and reproduce.

• population
• ecosystem
• niche
• biology

This diagram is showing the concept of:

• niche
• biome
• producers and consumers
• biosphere

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Every species has its own range of ________, the ability to survive and reproduce under a range of environmental circumstances.

• tolerance
• niche
• population
• ecosystem

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An organism’s _______ describes not only the environment where it lives, but how it interacts with biotic and abiotic factors in the environment.

• biome
• community
• tolerance
• niche

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The term ______ refers to any necessity of life (water, nutrients, light, food, or space).

• niche
• resource
• ecosystem
• tolerance

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For plants, ______ can include sunlight, water, and soil nutrients.
For animals, ______can include nesting space, shelter, types of food, and places to feed.

• niche
• communities
• resources
• biomes

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By causing species to divide resources, _________ helps determine the number, kinds of species, and the niche each species occupies.

• predation
• abiotic factors
• niche
• competition

The _________ states that no two species can occupy exactly the same niche in exactly the same habitat at exactly the same time.

• theory of evolution
• law of conservation of energy
• competitive exclusion principle
• harmonious ecology principle

_________ can affect the size of prey populations in a community and determine the places prey can live and feed.

• Predators
• Ecosystems
• Omnivores
• Parasites

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_______ can affect both the size and distribution of plant populations in a community and determine the places that certain plants can survive and grow.

• Predators
• Carnivores
• Omnivores
• Herbivores

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