Food Chains Question Preview (ID: 29113)
Food Chains Review.
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Which of the following is NOT a source of energy for ALL living things?
a) Sun
b) food/sugar
c) photosynthesis
d) water
Which list shows a group of living things in the correct sequence within a food chain?
a) flower - grasshopper - mouse
b) corn - owl - rat
c) fox - rabbit - lion
d) snake – moose – berries
What is the main difference between a producer and a consumer?
a) A consumer makes its own food, but a producer must get food from other living things.
b) A producer makes its own food, but a consumer must get food from other living things.
c) A producer is part of a food chain, but a consumer is part of a food web.
d) A consumer is part of a food chain, but a producer is part of a food web.
The arrows in a food chain or food web show
a) which animals eat the others.
b) the producers.
c) the path of energy.
d) the decomposers.
True or False: There are usually more producers than top predators in an ecosystem.
a) True
b) False
c) na
d) na
If most of the blue birds in an ecosystem became sick and died, what would likely happen to the populations of other species on that island?
a) The population of owls would probably increase.
b) The population of red birds would probably increase.
c) The population of grasshoppers would probably decrease.
d) The population of snakes would probably decrease.
If a frog is eaten by a snake, then the frog is
a) an herbivore
b) prey
c) a predator
d) a producer
Which of the following is NOT a reason for an animal to adapt?
a) There is competition for the same food sources.
b) Ecosystems can change.
c) Special body parts and behaviors are needed for survival.
d) An animal has more than one offspring.
When a tertiary consumer dies, what is needed to complete the energy cycle?
a) decomposer
b) producer
c) consumer
d) Nothing can connect the top and bottom of a food chain.
Species in an ecosystem are like
a) links in a chain.
b) ducks in a row.
c) money in a drawer.
d) boxes stacked high.
True or False: A large amount of energy is passed from the bottom of the energy pyramid to the top.
a) True
b) False
c) na
d) na
If a frog is eaten by a snake, then the snake is
a) prey
b) a predator
c) an herbivore
d) a producer
Which of the following changes to an ecosystem are caused by humans ONLY?
a) wild fire
b) oil spill
c) volcanic eruption
d) disease
Which of the following changes to an ecosystem are caused by nature ONLY?
a) wildfire
b) disease
c) pollution
d) earthquake
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