Ecosystems Question Preview (ID: 61463)
Ecosystems.
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What is at the start of every food chain?
a) Producer
b) Decomposer
c) Carnivore
d) Consumer
Ospreys are birds that eat fish. Where would an osprey most likely live?
a) Near a marsh (near rivers and oceans)
b) Near a praire
c) Near a desert
d) Near a forest
Bacteria have a special role in an ecosystem. What is that role?
a) Decomposer
b) Producer
c) Consumer
d) Scavenger
An owl gets its energy from a mouse it eats. From which food source did the mouse most likely get its energy?
a) Grass
b) Sun
c) Soil
d) Deer
Why can different types of organisms live together in the wetlands?
a) The wetlands provide different temperatures for different organisms
b) Animals can move from one part of the wetlands to another depending on size
c) The wetlands provide a wide variety of breeding and growing areas
d) All animals can live in very wet environments
What type of organism eats only plants?
a) Herbivore
b) Carnivore
c) Omnivore
d)
If the predator population decreases, which will most likely happen to the prey population?
a) It will gradually increase
b) It will decrease
c) It will die out
d) It will move to another ecosystem
Which would be most negatively affected if plant eating animals became extinct?
a) Consumers
b) Decomposers
c) Producers
d) Scavengers
The rabbit population decreases due to a drought. What will happen to the fox population that eats rabbits?
a) The will decrease
b) They will remain the same
c) They will increase
d) They will move to another ecosystem
Which most accurately describes an estuary?
a) Freshwater mixes with saltwater to provide a nutrient rich environment
b) animals and plants compete for food due to pollution from surrounding aras
c) High salt levels keep the water clear of nutrients and proteins
d) Freshwater mixes with saltwater to provide a nutrient rich environment
Which statement best describes a pond?
a) Cattail and pond lily grow here
b) Coral reefs grow here
c) Grasses and wildflowers grow here
d) Evergreen trees grow here
Which best describes a carnivore?
a) A consumer that eats only meat
b) A consumer that eats only plants
c) A consumer that eats both plants and animals
d)
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