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Ecology Unit 6 Review
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Subsystem identifying water.
 
hydrosphere
 
biosphere
 
geosphere
 
atmsophere
Subsystem identifying air.
 
atmosphere
 
biosphere
 
hydrosphere
 
geosphere
Subsystem identifying land.
 
geosphere
 
biosphere
 
hydrosphere
 
atmosphere
Which factors can determine the climate of a given location?
abiotic factors
In a balanced ecosystem, which trophic level has the highest population? The least?
Highest- Producers- Level 1, Least- Tertiary Consumer- Level 4
Name a top predator that would be at the top of an energy pyramid.
Any large carnivore...hawk, coyote, wolf (Apex predator)
Food chain...grasses-insects-bird-snake-large bird. What would happen if all the insects died out?
The number of birds (what eats the insects) would decrease
Energy is tranferred from a produer to a consumer how?
When the consumer eats the producer or the primary consumer or secondary consumer. Through what it eats.
Name 3 biotic factors in the rainforest.
trees, parrot, snake,
List the types of consumers (heterotrophs).
herbivore, omnivore, carnivore, decomposer, scavenger
The ultimate source of energy for all organisms is the?
sun
Which type of consumer is primarily located in trophic levels 3 & 4?
carnivore
Which type of relationship exists if a wolf eats a squirrel?
Predator-prey
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.
Which organism is the base of the food chain and supports the whole ecosystem?
Producers (plants, autotrophs)
Which type of consumer eats both plants and animals?
omnivore
In what trophic level on the energy pyramid do you find a primary consumer?
the second
The energy from the sun is transferred to heterotrophs by what means?
indirectly- by eating a producer
What is the role of a producer in an ecosystem?
to use energy from the sun to make food
How can you explain the energy transfer within an ecosystem?
inefficient- a great loss from one trophic level to another
________________________ is an interaction between abiotic and biotic factors in an area.
Ecosystem
In a food web, the arrow depicts what information?
direction of energy flow or energy transfer from one organism to the other
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).
List the correct order of the organization of the environment from smallest to largest.
organism- population- community- ecosystem- biome- biosphere


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