NEW
Font size
WorksheetsEcological Relationships
Total questions: 11
Worksheet time: 6mins
The area of an ecosystem where an organism lives is called its...
Community
Biome
Habitat
Biosphere
What is a niche?
An area of an ecosystem where an organism lives
An organism's role in its environment
Interactions between organism's in the environment
A group of organisms in an environment
Describe the relationship between predators and prey.
Predators kill prey for food
Prey kill predators for food
Predators and prey have a symbiotic relationship
Predators and prey have a mutually beneficial relationship
A species that is critical for the survival of other species in an ecosystem is called a...
Keystone Species
Pioneer Species
Ecological Species
Niche Species
How is interspecific competition different from intraspecific competition?
Interspecific is between different species, Intraspecific is between the same species
Intraspecific is between different species, Interspecific is between the same species
Intraspecific causes both organisms to benefit
Interspecific causes both organisms to benefit
According to the competitive exclusion principle...
2 organisms cannot occupy the same niche at the same time
2 organisms cannot both benefit in a relationship
In a relationship, one organism must die
In a relationship, only one organism can reproduce
In symbiosis...
The relationship is over a short period of time
Both organisms must benefit
The relationship is always intraspecific
The relationship is always between 2 different species
In parasitism which organisms is harmed
Parasite
Host
Both parasite and host
Neither organism is harmed
Why don't parasites immediately kill their hosts?
The host must live long enough for the parasite to reproduce
The parasite cannot kill the host
The parasite wants the host to benefit
The host becomes immune to the parasite
In which ecological relationship does one organism benefit while the other is unharmed?
Parasitism
Mutualism
Commensalism
Symbiosis
In mutualism...
Both organisms benefit
One organism benefits and one is not harmed
One organism benefits and one organism is harmed
Neither organism benefits
