Ecosystems Question Preview (ID: 61463)


Ecosystems. TEACHERS: click here for quick copy question ID numbers.

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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