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WorksheetsENVIRONMENTAL SCIENCE FORM 2 - ECOSYSTEMS
Total questions: 20
Worksheet time: 12mins
An ecosystem is a
community of organisms interacting organisms with each other
community of interacting organisms and their environment
community of organisms interacting independently with their environment
"Ecosystems produce special services", choose the services provided by ecosystems
oxygen
food
medicine
building materials
galaxies
"When an ecosystem is disrupted organisms cannot thrive",
True
False
Humans disrupt ecosystems by which of the following ways
polluting the environment
deforestation
urban development
hunting
creating natural reserves
An invasive species are living things
that are naturally found in all ecosystems
that are naturally found in a particular ecosystem
that are not naturally found in a particular ecosystem
Some examples of invasive species in the Caribbean are
lion fish
African snail
wild pigs
red eared snipper turtle
When invasive species are introduced three possible things can happen to existing animals
ecosystem disappear
animals can adapt
existing animals can die
animals may move and find new homes
Freshwater ecosystems are a subset of Earth's aquatic ecosystems
True
False
Some examples of freshwater ecosystems are
ponds
oceans
rivers
wetlands
springs
"Freshwater ecosystems are some of the largest ecosystems on earth"',
True
False
Terrestrial ecosystem are found only on land
True
False
Which of the following are types of land ecosystems
temperate deciduous forest
tropical rainforest
marine
grasslands
deserts
Ocean ecosystems include ALL the following EXCEPT
ocean
bogs
salt water bays
seas and inlets
the shoreline and salt marshes
the picture represents
ocean ecosystem
freshwater ecosystem
terrestrial ecosystem
The picture represents
ocean ecosystem
freshwater ecosystem
terrestrial ecosystem
Coral reefs are a type of marine ocean
True
False
Oceans are responsible for 40% of all photosynthesis that occurs on Earth
True
False
Desert creatures have evolved to survive, some ways they have evolved are
can go one day without water
animals are nocturnal
spend time underground
insects harvest fog from the air
In nature an ecosystem is balanced with predator prey relationships that keep populations from getting to high
True
False
The rainforest ecosystem provide special services for the entire world
True
False
