What is the difference between a habitat and niche?
Habitat is where the organism lives (gets water, food, shelter, space). Niche is the role the organism plays within their environment (producer, consumer).
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In a food web, the arrow depicts what information?
direction of energy flow or energy transfer from one organism to the other
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________________________ is an interaction between abiotic and biotic factors in an area.
Ecosystem
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How can you explain the energy transfer within an ecosystem?
inefficient- a great loss from one trophic level to another
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What is the role of a producer in an ecosystem?
to use energy from the sun to make food
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The energy from the sun is transferred to heterotrophs by what means?
indirectly- by eating a producer
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In what trophic level on the energy pyramid do you find a primary consumer?
the second
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Which type of consumer eats both plants and animals?
omnivore
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Which organism is the base of the food chain and supports the whole ecosystem?
Producers (plants, autotrophs)
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Why do large, top predators (tertiary consumers) need to eat more than a primary consumer?
The amount of energy they receive from what they eat is much less than that of a primary consumer.
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Which type of relationship exists if a wolf eats a squirrel?
Predator-prey
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Which type of consumer is primarily located in trophic levels 3 & 4?
carnivore
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The ultimate source of energy for all organisms is the?
