WorksheetsEcosystems
Total questions: 14
Worksheet time: 7mins
An ____ is all the living and nonliving things that exist and interact in one place.
producers
ecosystem
consumers
population
An ecosystem describes a specific area where the organisms ______ _______ as a unit.
work together
living components
are home
break down
Living components can be sorted into three groups. What are the 3 groups?
fish, water, and sharks
producers, consumers, and decomposers
living, nonliving, and home
basic need, living, and nonliving
A living thing can live only in an environment that meets its ____.
water
community
population
needs
__________ play the role of producers.
animals
sunlight
plants
energy
Plants use energy from ______ to make food.
stars
moon
planets
sunlight
Where does the food chain START?
with consumers that eat grass
with the sun giving energy to producers
with the sun giving energy to consumers
with consumers eating other consumers
Which of the following are factors that could cause extinction?
Destruction of animals' habitat
Climate change
Pollution
Increased human population (more people)
ALL of the above could cause extinction
Human activities that affect ecosystems can be...
Factories, industries, air contamination
Rain, wind, floods, tornadoes, hurricanes…
Pollution, overfishing, forest fires, deforestation
The variety of different life forms in an ecosystem.
biomes
deciduous forest
biodiversity
grassland
Invasive palnts that do not have competitors in their habitats can cause change by...
growing so large they block the sunlight
absorbing more water than other plants
providing food for animals
What does this picture represent?
Animals
Plants
A food chain
What are food webs?
They are made up of many food chains joined together and interconnected.
They are only plants
They are only animals
Some changes that can disrupt the balance of an ecosystem are:
fires burning during vegetation
people cutting down forests to build neighborhoods
droughts taking away the source of water
all of the above
