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Which of the following is NOT a decomposer?
a. paramecium
b. mold
c. mushroom
d. bacteria
a. paramecium
Consumers are organisms that eat ________.
a. dead matter
b. nothing, and get their energy directly from the sun
c. living things
d. non-living things
c. living things
Which of the following is a decomposer?
a. cow
b. grasshopper
c. mushroom
d. tree
c. mushroom
What type of change causes a change in matter that produces a new substance?
Chemical change
______ are organisms that feed on dead plants and animal material.
Decomposers
Abiotic things are _______ things.
non-living
Explain why decomposition is an important part of the food cycle.
How does a mushroom obtain its food from the ecosystem?
a. by breaking down dead leaves
b. by feeding on small insects
c. by trapping sunlight
d. by eating small herbs
a. by breaking down dead leaves
What two factors are used to measure speed?
distance/time
Another word for producers, is ______.
plants
If you put a balloon over the top of a bottle containing vinegar and baking soda, what type of change causes the balloon to inflate?
Chemical change
Photosynthesis is how ______ make their own energy.
plants
Which of the following organisms are a decomposer?
a. lizard
b. moss
c. mushroom
d. turtle
c. mushroom
What force resists motion when two objects are rubbed together?
friction
A straight line showing an upward slope on a position/time graph shows __________.
a. both position and speed are changing
b. position remains the same but speed is changing
c. both position and speed remain the same
d. speed is constant but position is changing
d. speed is constant but position is changing
Name the three types of consumers.
Herbivore, carnivore, and omnivore
The traits that are passed from parent to offspring are called ______ traits.
inherited
A change in position is caused by _______.
motion
Omnivores eat __________.
both plants (producers) and animals (consumers)
The _________ are recycled into the soil by decomposition.
a. rocks and minerals
b . remains of animals and plants
c. glass
d. aluminum
b. remains of animals and plants
Fungi and bacteria are examples of _________, which break down dead matter and waste.
decomposers
Herbivores eat only _______.
plants (producers)
Which of the following is NOT a decomposer?
a. bacteria
b. fungus
c. soil
d. worms
c. soil
Which of the following surfaces would produce the most friction?
a. sandpaper
b. plastic
c. notebook paper
d. wooden
a. sandpaper
Which of the following organisms would be found when digging in the yard that would let you know that there is organic matter in the soil?
a. slugs
b. spiders
c. rabbits
d. earthworms
d. earthworms