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Ecosytems Study Guide Pages 95-106

Teacher: William Etheridge
Horizontales
_____, rabbit, and squirrel are consumers.
Producers are at the _____ of all food chains because they transfer energy from the sun into food.
In a food web, consumers most often are described by the _____ they eat.
_____ are most directly dependent upon the sun for energy.
Bacteria, earthworms, and fungi are examples of _____.
An _____ a community of plants and animals.
The _____ is important to all ecosystems because producers rely on it to make their food.
A reduction in the number of producers in an ecosystem means less _____ is available for consumers.
A grasshopper is a _____ that eats only producers.
A _____ hunts for food.
Verticales
A zebra eats grass and then is eaten by a lion. The _____ in this situation is the predator.
______ often destroy animal habitats by building new homes.
Decomposers break down _____ organisms within the food chain.
_____ would be most affected if the number of producers in the ocean decreased.
If clouds constantly blocked the suns' rays, producers would be _____ able to provide energy for other organisms.
If plant life was removed from a pond ecosystem, the number of fish would _____ due to reduced oxygen.
_____ get all of its energy from the sun.
Predators need other animals within an ecosystem because they depend on them for _____.
If no ____ were left in an ecosystem, all life within the system would suffer.
The _____ organism in a food chain is a producer.
An oak tree would be considered a producer because it provides _____ for squirrels.