What happens during recycling?
A. Materials stay the same
B. Materials are washed and cleaned
C. Materials are broken down and used
again
D. Materials are moved to a different place
Living things that eat dead organisms are called…
A. Decomposers
B. Predators
C. Producers
D. Scavengers
Living things that break down the remains of dead organisms are called…
A. Carnivores
B. Composers
C. Decomposers
D. Producers
What do microorganisms do in the compost piles?
A. They turn rock into dirt
B. They turn food into rocks
C. They break down living matter.
D. They make matter
What material would not break down very well in a landfill?
A. A banana peel
B. A dead fish
C. A leaf
D. A plastic bag
The process of breaking down materials into a different form that
can be used again is called _____________________.
Nutrient Recycling
A waste that can pollute the environment even when it occurs in very small amounts is called
a(n) ___________.
Hazardous Waste
_________ involves travel to natural habitats that avoids harming and helps preserve
these areas.
Ecotourism
How does recycling nutrients help many types of plants in
an ecosystem?
Recycling nutrients enriches the soil
How can materials such as weed killers and pesticides
cause pollution?
Materials such as weed killers and pesticides can wash off plants and seep into the soil
Tell what would happen if decomposers were the end of
all food chains.
The remains of dead organisms would not be broken down into simpler materials. Space in the environment would not be freed
up.