Multiple Choice
A deer eats plants and later produces waste. The waste is broken down by decomposers in the soil. Over time, nutrients from the soil help new plants grow.
1. Which claim is best supported by this scenario?
A. Matter disappears after organisms use it.
B. Matter cycles between organisms and the environment.
C. Matter changes into energy and cannot be reused.
D. Matter stays permanently in one organism.
B. Matter cycles between organisms and the environment.
____________ is an animal that only eats animals
Consumer
What is a producer?
An organism that produces its own food
A sunflower is a consumer
FALSE
How many types of consumers are there ?
3
. After heavy rain, soil washes into a river. Which statement best
explains this event?
A. Soil created water.
B. Water moved matter from one location to another.
C. Soil transformed into energy.
D. The river absorbed the soil permanently.
B. Water moved matter from one location to another.
A __________ is an organism that is too small to see.
Microbe
What is a cycle?
Yeast is a decomposer
True
What happens to waste when flushed ?
It is cleaned through pipes at a treatment plant
A rabbit eats grass and drinks water from a stream. Which statement best
explains how the rabbit obtains matter needed for growth?
A. The rabbit creates matter from sunlight.
B. The rabbit obtains matter by taking in food and water from its environment.
C. The rabbit receives matter only from the air.
D. The rabbit creates matter inside its body.
B. The rabbit obtains matter by taking in food and water from its environment.
A _____ _______ is a set of interconnected food chains
Why are decomposers important?
They break down dead animals and bring nutrients back to the soil
Animals can create their own carbon
false
How is energy from a battery similar to energy in an organism?
Both need to be recharged or replenish energy when lost
Why is the cycling of matter important ?
a. It is important so the producers don’t die
b. It is important because without the cycle, matter would run out
c. It is important because the organisms need to eat
d. The cycling of matter is not important
b. It is important because without the cycle, matter would run out
A mushroom is an example of a _________
Decomposer
What is a way that energy can be used?
TRUE
Why do organisms need matter?
To grow, reproduce, and repair damaged body parts
9. What happens to organisms if they did not “recharge” their energy?
A. Nothing, Organisms have unlimited energy
B. They get some new batteries
C. They would lose energy and possibly not survive
D. The producers would break down the nutrients and release carbon into the air.
C. They would lose energy and possibly not survive
What is the order of the food chain from beginning to end ?
Sun, Producers, Consumers, Decomposers
What are the 3 types of consumers
Plant eater
Animal eater
Plant and animal eater
A food chain can begin with phytoplankton
True. On ocean food chain
What is the order of the carbon cycle?
Breathe out carbon dioxide
plants absorb carbon
Decomposers break down dead organism and carbon released into ecosystem