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WorksheetsChanging Ecosystems
Total questions: 15
Worksheet time: 7mins
The series of predictable changes that occur in a community over time is called
parasitism
succession
biodiversity
Primary succession occurs when a ____________ occurs in an area.
volcanic eruption
tornado
flood
fire
What do you call the series of changes that occur when there is no soil or organisms that exist in an area?
Secondary succession
Primary succession
Royal succession
Ecosystem
The first species to grow in an area following primary succession is called a
Niche species
Secondary succession
Pioneer species
Brave
What do you call changes that occur after a fire, flood, or other natural disaster that disturbs an ecosystem?
Primary succession
secondary succession
factors in succession
habitat
Which is NOT an example of when secondary succession would occur?
Flood changing the path of a creek
Tornado destroying a forest
Tsunami caused by an earthquake
Glacier rock scraping the soil off a mountain
Pioneer species are (pick two)
lichen
moss
ferns
snails
What is ecological succession?
A series of predictable changes that occur in a community over time.
It is the number of fish increasing.
It is the seasons of the year.
It is that rain follows cloud formation.
A kind of abiotic resource is
water
wood
food
pets
All of these are biotic resources except
food
air
plants
animals
A species that influences the survival of many other species is called a
endangered species
keystone species
captive species
living species
The number of different species in an area is called
poaching
extinction
biodiversity
habitat
A species in danger of going extinct (all members of the species dying) is called
diversity
niche
endangered
area
Humans can not affect the diversity of an ecosystem because the ecosystem is too strong
true
false
