Week 4 Midterm UNE Bio 1011 Test
Questions and Answers.
Mutualism - Answer (+/+)
Both species benefit.
Commensalism - Answer (+/0)
One species benefits; the other is unaffected.
Parasitism - Answer (+/-)
One benefits (parasite); the other is harmed (host).
Predation - Answer (+/-)
Predator benefits; prey is harmed.
Herbivory - Answer (+/-)
Herbivore benefits; plant is harmed.
Competition - Answer (-/-)
Both species are harmed as they compete for limited resources
Bottom Up Control - Answer Food limitation controls population density
The bottom of the food chain controls population density
Food limitation determines how many organisms are in the community
Top Down Control - Answer Natural enemies control population densities
Predators control prey populations
Herbivores control plant populations
Top of food chain controlling everything underneath
Intraspecific species interactions - Answer Between individuals of the same species
Two deer competing with each other for the same ground
Questions and Answers.
Mutualism - Answer (+/+)
Both species benefit.
Commensalism - Answer (+/0)
One species benefits; the other is unaffected.
Parasitism - Answer (+/-)
One benefits (parasite); the other is harmed (host).
Predation - Answer (+/-)
Predator benefits; prey is harmed.
Herbivory - Answer (+/-)
Herbivore benefits; plant is harmed.
Competition - Answer (-/-)
Both species are harmed as they compete for limited resources
Bottom Up Control - Answer Food limitation controls population density
The bottom of the food chain controls population density
Food limitation determines how many organisms are in the community
Top Down Control - Answer Natural enemies control population densities
Predators control prey populations
Herbivores control plant populations
Top of food chain controlling everything underneath
Intraspecific species interactions - Answer Between individuals of the same species
Two deer competing with each other for the same ground
